8102408560

素因数分解:

$2^4\times 5^1\times {\mathrm{101280107}}^1$

素因数の和:101280120

約数の個数: 20

約数和(自身を含む): 18838100088

約数和(自身を除く): 10735691528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101280107, 202560214, 405120428, 506400535, 810240856, 1012801070, 1620481712, 2025602140, 4051204280, 8102408560]

約数ペア:

[(1, 8102408560), (2, 4051204280), (4, 2025602140), (5, 1620481712), (8, 1012801070), (10, 810240856), (16, 506400535), (20, 405120428), (40, 202560214), (80, 101280107)]