40530580

素因数分解:

$2^2\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{1489}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 85233960

約数和(自身を除く): 44703380

約数列:

[1, 2, 4, 5, 10, 20, 1361, 1489, 2722, 2978, 5444, 5956, 6805, 7445, 13610, 14890, 27220, 29780, 2026529, 4053058, 8106116, 10132645, 20265290, 40530580]

約数ペア:

[(1, 40530580), (2, 20265290), (4, 10132645), (5, 8106116), (10, 4053058), (20, 2026529), (1361, 29780), (1489, 27220), (2722, 14890), (2978, 13610), (5444, 7445), (5956, 6805)]