80823400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{57731}}^1$

素因数の和:57754

約数の個数: 48

約数和(自身を含む): 214763040

約数和(自身を除く): 133939640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 57731, 115462, 230924, 288655, 404117, 461848, 577310, 808234, 1154620, 1443275, 1616468, 2020585, 2309240, 2886550, 3232936, 4041170, 5773100, 8082340, 10102925, 11546200, 16164680, 20205850, 40411700, 80823400]

約数ペア:

[(1, 80823400), (2, 40411700), (4, 20205850), (5, 16164680), (7, 11546200), (8, 10102925), (10, 8082340), (14, 5773100), (20, 4041170), (25, 3232936), (28, 2886550), (35, 2309240), (40, 2020585), (50, 1616468), (56, 1443275), (70, 1154620), (100, 808234), (140, 577310), (175, 461848), (200, 404117), (280, 288655), (350, 230924), (700, 115462), (1400, 57731)]