70991440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68261}}^1$

素因数の和:68287

約数の個数: 40

約数和(自身を含む): 177754248

約数和(自身を除く): 106762808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68261, 136522, 273044, 341305, 546088, 682610, 887393, 1092176, 1365220, 1774786, 2730440, 3549572, 4436965, 5460880, 7099144, 8873930, 14198288, 17747860, 35495720, 70991440]

約数ペア:

[(1, 70991440), (2, 35495720), (4, 17747860), (5, 14198288), (8, 8873930), (10, 7099144), (13, 5460880), (16, 4436965), (20, 3549572), (26, 2730440), (40, 1774786), (52, 1365220), (65, 1092176), (80, 887393), (104, 682610), (130, 546088), (208, 341305), (260, 273044), (520, 136522), (1040, 68261)]