69973040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20341}}^1$

素因数の和:20397

約数の個数: 40

約数和(自身を含む): 166478928

約数和(自身を除く): 96505888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 20341, 40682, 81364, 101705, 162728, 203410, 325456, 406820, 813640, 874663, 1627280, 1749326, 3498652, 4373315, 6997304, 8746630, 13994608, 17493260, 34986520, 69973040]

約数ペア:

[(1, 69973040), (2, 34986520), (4, 17493260), (5, 13994608), (8, 8746630), (10, 6997304), (16, 4373315), (20, 3498652), (40, 1749326), (43, 1627280), (80, 874663), (86, 813640), (172, 406820), (215, 325456), (344, 203410), (430, 162728), (688, 101705), (860, 81364), (1720, 40682), (3440, 20341)]