47139140

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3677}}^1$

素因数の和:4327

約数の個数: 24

約数和(自身を含む): 99173592

約数和(自身を除く): 52034452

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 3677, 6410, 7354, 12820, 14708, 18385, 36770, 73540, 2356957, 4713914, 9427828, 11784785, 23569570, 47139140]

約数ペア:

[(1, 47139140), (2, 23569570), (4, 11784785), (5, 9427828), (10, 4713914), (20, 2356957), (641, 73540), (1282, 36770), (2564, 18385), (3205, 14708), (3677, 12820), (6410, 7354)]