201039980

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{9923}}^1$

素因数の和:10945

約数の個数: 24

約数和(自身を含む): 422643312

約数和(自身を除く): 221603332

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 5065, 9923, 10130, 19846, 20260, 39692, 49615, 99230, 198460, 10051999, 20103998, 40207996, 50259995, 100519990, 201039980]

約数ペア:

[(1, 201039980), (2, 100519990), (4, 50259995), (5, 40207996), (10, 20103998), (20, 10051999), (1013, 198460), (2026, 99230), (4052, 49615), (5065, 39692), (9923, 20260), (10130, 19846)]