40253928

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 121806720

約数和(自身を除く): 81552792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 37, 39, 44, 52, 66, 74, 78, 88, 104, 111, 132, 143, 148, 156, 222, 264, 286, 296, 312, 317, 407, 429, 444, 481, 572, 634, 814, 858, 888, 951, 962, 1144, 1221, 1268, 1443, 1628, 1716, 1902, 1924, 2442, 2536, 2886, 3256, 3432, 3487, 3804, 3848, 4121, 4884, 5291, 5772, 6974, 7608, 8242, 9768, 10461, 10582, 11544, 11729, 12363, 13948, 15873, 16484, 20922, 21164, 23458, 24726, 27896, 31746, 32968, 35187, 41844, 42328, 45331, 46916, 49452, 63492, 70374, 83688, 90662, 93832, 98904, 126984, 129019, 135993, 140748, 152477, 181324, 258038, 271986, 281496, 304954, 362648, 387057, 457431, 516076, 543972, 609908, 774114, 914862, 1032152, 1087944, 1219816, 1548228, 1677247, 1829724, 3096456, 3354494, 3659448, 5031741, 6708988, 10063482, 13417976, 20126964, 40253928]

約数ペア:

[(1, 40253928), (2, 20126964), (3, 13417976), (4, 10063482), (6, 6708988), (8, 5031741), (11, 3659448), (12, 3354494), (13, 3096456), (22, 1829724), (24, 1677247), (26, 1548228), (33, 1219816), (37, 1087944), (39, 1032152), (44, 914862), (52, 774114), (66, 609908), (74, 543972), (78, 516076), (88, 457431), (104, 387057), (111, 362648), (132, 304954), (143, 281496), (148, 271986), (156, 258038), (222, 181324), (264, 152477), (286, 140748), (296, 135993), (312, 129019), (317, 126984), (407, 98904), (429, 93832), (444, 90662), (481, 83688), (572, 70374), (634, 63492), (814, 49452), (858, 46916), (888, 45331), (951, 42328), (962, 41844), (1144, 35187), (1221, 32968), (1268, 31746), (1443, 27896), (1628, 24726), (1716, 23458), (1902, 21164), (1924, 20922), (2442, 16484), (2536, 15873), (2886, 13948), (3256, 12363), (3432, 11729), (3487, 11544), (3804, 10582), (3848, 10461), (4121, 9768), (4884, 8242), (5291, 7608), (5772, 6974)]