70481720

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2141}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 158850720

約数和(自身を除く): 88369000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 2141, 3292, 4115, 4282, 6584, 8230, 8564, 10705, 16460, 17128, 21410, 32920, 42820, 85640, 1762043, 3524086, 7048172, 8810215, 14096344, 17620430, 35240860, 70481720]

約数ペア:

[(1, 70481720), (2, 35240860), (4, 17620430), (5, 14096344), (8, 8810215), (10, 7048172), (20, 3524086), (40, 1762043), (823, 85640), (1646, 42820), (2141, 32920), (3292, 21410), (4115, 17128), (4282, 16460), (6584, 10705), (8230, 8564)]