156940065220

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{4840841}}^1$

素因数の和:4842471

約数の個数: 24

約数和(自身を含む): 329777520408

約数和(自身を除く): 172837455188

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 6484, 8105, 16210, 32420, 4840841, 9681682, 19363364, 24204205, 48408410, 96816820, 7847003261, 15694006522, 31388013044, 39235016305, 78470032610, 156940065220]

約数ペア:

[(1, 156940065220), (2, 78470032610), (4, 39235016305), (5, 31388013044), (10, 15694006522), (20, 7847003261), (1621, 96816820), (3242, 48408410), (6484, 24204205), (8105, 19363364), (16210, 9681682), (32420, 4840841)]