40115240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 108241920

約数和(自身を除く): 68126680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 173, 187, 220, 248, 310, 340, 341, 346, 374, 440, 527, 620, 680, 682, 692, 748, 865, 935, 1054, 1240, 1364, 1384, 1496, 1705, 1730, 1870, 1903, 2108, 2635, 2728, 2941, 3410, 3460, 3740, 3806, 4216, 5270, 5363, 5797, 5882, 6820, 6920, 7480, 7612, 9515, 10540, 10726, 11594, 11764, 13640, 14705, 15224, 19030, 21080, 21452, 23188, 23528, 26815, 28985, 29410, 32351, 38060, 42904, 46376, 53630, 57970, 58820, 58993, 64702, 76120, 91171, 107260, 115940, 117640, 117986, 129404, 161755, 182342, 214520, 231880, 235972, 258808, 294965, 323510, 364684, 455855, 471944, 589930, 647020, 729368, 911710, 1002881, 1179860, 1294040, 1823420, 2005762, 2359720, 3646840, 4011524, 5014405, 8023048, 10028810, 20057620, 40115240]

約数ペア:

[(1, 40115240), (2, 20057620), (4, 10028810), (5, 8023048), (8, 5014405), (10, 4011524), (11, 3646840), (17, 2359720), (20, 2005762), (22, 1823420), (31, 1294040), (34, 1179860), (40, 1002881), (44, 911710), (55, 729368), (62, 647020), (68, 589930), (85, 471944), (88, 455855), (110, 364684), (124, 323510), (136, 294965), (155, 258808), (170, 235972), (173, 231880), (187, 214520), (220, 182342), (248, 161755), (310, 129404), (340, 117986), (341, 117640), (346, 115940), (374, 107260), (440, 91171), (527, 76120), (620, 64702), (680, 58993), (682, 58820), (692, 57970), (748, 53630), (865, 46376), (935, 42904), (1054, 38060), (1240, 32351), (1364, 29410), (1384, 28985), (1496, 26815), (1705, 23528), (1730, 23188), (1870, 21452), (1903, 21080), (2108, 19030), (2635, 15224), (2728, 14705), (2941, 13640), (3410, 11764), (3460, 11594), (3740, 10726), (3806, 10540), (4216, 9515), (5270, 7612), (5363, 7480), (5797, 6920), (5882, 6820)]