40520560

素因数分解:

$2^4\times 5^1\times {\mathrm{506507}}^1$

素因数の和:506520

約数の個数: 20

約数和(自身を含む): 94210488

約数和(自身を除く): 53689928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506507, 1013014, 2026028, 2532535, 4052056, 5065070, 8104112, 10130140, 20260280, 40520560]

約数ペア:

[(1, 40520560), (2, 20260280), (4, 10130140), (5, 8104112), (8, 5065070), (10, 4052056), (16, 2532535), (20, 2026028), (40, 1013014), (80, 506507)]