71936440

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2729}}^1$

素因数の和:3399

約数の個数: 32

約数和(自身を含む): 162162000

約数和(自身を除く): 90225560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 2729, 3295, 5272, 5458, 6590, 10916, 13180, 13645, 21832, 26360, 27290, 54580, 109160, 1798411, 3596822, 7193644, 8992055, 14387288, 17984110, 35968220, 71936440]

約数ペア:

[(1, 71936440), (2, 35968220), (4, 17984110), (5, 14387288), (8, 8992055), (10, 7193644), (20, 3596822), (40, 1798411), (659, 109160), (1318, 54580), (2636, 27290), (2729, 26360), (3295, 21832), (5272, 13645), (5458, 13180), (6590, 10916)]