70865720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41201}}^1$

素因数の和:41255

約数の個数: 32

約数和(自身を含む): 163159920

約数和(自身を除く): 92294200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41201, 82402, 164804, 206005, 329608, 412010, 824020, 1648040, 1771643, 3543286, 7086572, 8858215, 14173144, 17716430, 35432860, 70865720]

約数ペア:

[(1, 70865720), (2, 35432860), (4, 17716430), (5, 14173144), (8, 8858215), (10, 7086572), (20, 3543286), (40, 1771643), (43, 1648040), (86, 824020), (172, 412010), (215, 329608), (344, 206005), (430, 164804), (860, 82402), (1720, 41201)]