4081160

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 9241560

約数和(自身を除く): 5160400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 397, 514, 794, 1028, 1285, 1588, 1985, 2056, 2570, 3176, 3970, 5140, 7940, 10280, 15880, 102029, 204058, 408116, 510145, 816232, 1020290, 2040580, 4081160]

約数ペア:

[(1, 4081160), (2, 2040580), (4, 1020290), (5, 816232), (8, 510145), (10, 408116), (20, 204058), (40, 102029), (257, 15880), (397, 10280), (514, 7940), (794, 5140), (1028, 3970), (1285, 3176), (1588, 2570), (1985, 2056)]