72161840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{24379}}^1$

素因数の和:24429

約数の個数: 40

約数和(自身を含む): 172317840

約数和(自身を除く): 100156000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 24379, 48758, 97516, 121895, 195032, 243790, 390064, 487580, 902023, 975160, 1804046, 1950320, 3608092, 4510115, 7216184, 9020230, 14432368, 18040460, 36080920, 72161840]

約数ペア:

[(1, 72161840), (2, 36080920), (4, 18040460), (5, 14432368), (8, 9020230), (10, 7216184), (16, 4510115), (20, 3608092), (37, 1950320), (40, 1804046), (74, 975160), (80, 902023), (148, 487580), (185, 390064), (296, 243790), (370, 195032), (592, 121895), (740, 97516), (1480, 48758), (2960, 24379)]