40306448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 160

約数和(自身を含む): 106659840

約数和(自身を除く): 66353392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 38, 47, 52, 56, 62, 76, 91, 94, 104, 112, 124, 133, 152, 182, 188, 208, 217, 247, 248, 266, 304, 329, 364, 376, 403, 434, 494, 496, 532, 589, 611, 658, 728, 752, 806, 868, 893, 988, 1064, 1178, 1222, 1316, 1456, 1457, 1612, 1729, 1736, 1786, 1976, 2128, 2356, 2444, 2632, 2821, 2914, 3224, 3458, 3472, 3572, 3952, 4123, 4277, 4712, 4888, 5264, 5642, 5828, 6251, 6448, 6916, 7144, 7657, 8246, 8554, 9424, 9776, 10199, 11284, 11609, 11656, 12502, 13832, 14288, 15314, 16492, 17108, 18941, 20398, 22568, 23218, 23312, 25004, 27664, 27683, 30628, 32984, 34216, 37882, 40796, 45136, 46436, 50008, 53599, 55366, 61256, 65968, 68432, 75764, 81263, 81592, 92872, 100016, 107198, 110732, 122512, 132587, 151528, 162526, 163184, 185744, 193781, 214396, 221464, 265174, 303056, 325052, 359879, 387562, 428792, 442928, 530348, 650104, 719758, 775124, 857584, 1060696, 1300208, 1439516, 1550248, 2121392, 2519153, 2879032, 3100496, 5038306, 5758064, 10076612, 20153224, 40306448]

約数ペア:

[(1, 40306448), (2, 20153224), (4, 10076612), (7, 5758064), (8, 5038306), (13, 3100496), (14, 2879032), (16, 2519153), (19, 2121392), (26, 1550248), (28, 1439516), (31, 1300208), (38, 1060696), (47, 857584), (52, 775124), (56, 719758), (62, 650104), (76, 530348), (91, 442928), (94, 428792), (104, 387562), (112, 359879), (124, 325052), (133, 303056), (152, 265174), (182, 221464), (188, 214396), (208, 193781), (217, 185744), (247, 163184), (248, 162526), (266, 151528), (304, 132587), (329, 122512), (364, 110732), (376, 107198), (403, 100016), (434, 92872), (494, 81592), (496, 81263), (532, 75764), (589, 68432), (611, 65968), (658, 61256), (728, 55366), (752, 53599), (806, 50008), (868, 46436), (893, 45136), (988, 40796), (1064, 37882), (1178, 34216), (1222, 32984), (1316, 30628), (1456, 27683), (1457, 27664), (1612, 25004), (1729, 23312), (1736, 23218), (1786, 22568), (1976, 20398), (2128, 18941), (2356, 17108), (2444, 16492), (2632, 15314), (2821, 14288), (2914, 13832), (3224, 12502), (3458, 11656), (3472, 11609), (3572, 11284), (3952, 10199), (4123, 9776), (4277, 9424), (4712, 8554), (4888, 8246), (5264, 7657), (5642, 7144), (5828, 6916), (6251, 6448)]