40296568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20393}}^1$

素因数の和:20431

約数の個数: 32

約数和(自身を含む): 85654800

約数和(自身を除く): 45358232

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20393, 40786, 81572, 163144, 265109, 387467, 530218, 774934, 1060436, 1549868, 2120872, 3099736, 5037071, 10074142, 20148284, 40296568]

約数ペア:

[(1, 40296568), (2, 20148284), (4, 10074142), (8, 5037071), (13, 3099736), (19, 2120872), (26, 1549868), (38, 1060436), (52, 774934), (76, 530218), (104, 387467), (152, 265109), (247, 163144), (494, 81572), (988, 40786), (1976, 20393)]