40320005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1487}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 57853440

約数和(自身を除く): 17533435

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 319, 493, 935, 1487, 1595, 2465, 5423, 7435, 16357, 25279, 27115, 43123, 81785, 126395, 215615, 278069, 474353, 733091, 1390345, 2371765, 3665455, 8064001, 40320005]

約数ペア:

[(1, 40320005), (5, 8064001), (11, 3665455), (17, 2371765), (29, 1390345), (55, 733091), (85, 474353), (145, 278069), (187, 215615), (319, 126395), (493, 81785), (935, 43123), (1487, 27115), (1595, 25279), (2465, 16357), (5423, 7435)]