70998160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20639}}^1$

素因数の和:20695

約数の個数: 40

約数和(自身を含む): 168917760

約数和(自身を除く): 97919600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 20639, 41278, 82556, 103195, 165112, 206390, 330224, 412780, 825560, 887477, 1651120, 1774954, 3549908, 4437385, 7099816, 8874770, 14199632, 17749540, 35499080, 70998160]

約数ペア:

[(1, 70998160), (2, 35499080), (4, 17749540), (5, 14199632), (8, 8874770), (10, 7099816), (16, 4437385), (20, 3549908), (40, 1774954), (43, 1651120), (80, 887477), (86, 825560), (172, 412780), (215, 330224), (344, 206390), (430, 165112), (688, 103195), (860, 82556), (1720, 41278), (3440, 20639)]