119997520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{34883}}^1$

素因数の和:34939

約数の個数: 40

約数和(自身を含む): 285490656

約数和(自身を除く): 165493136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 34883, 69766, 139532, 174415, 279064, 348830, 558128, 697660, 1395320, 1499969, 2790640, 2999938, 5999876, 7499845, 11999752, 14999690, 23999504, 29999380, 59998760, 119997520]

約数ペア:

[(1, 119997520), (2, 59998760), (4, 29999380), (5, 23999504), (8, 14999690), (10, 11999752), (16, 7499845), (20, 5999876), (40, 2999938), (43, 2790640), (80, 1499969), (86, 1395320), (172, 697660), (215, 558128), (344, 348830), (430, 279064), (688, 174415), (860, 139532), (1720, 69766), (3440, 34883)]