4380280

素因数分解:

$2^3\times 5^1\times {\mathrm{109507}}^1$

素因数の和:109518

約数の個数: 16

約数和(自身を含む): 9855720

約数和(自身を除く): 5475440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109507, 219014, 438028, 547535, 876056, 1095070, 2190140, 4380280]

約数ペア:

[(1, 4380280), (2, 2190140), (4, 1095070), (5, 876056), (8, 547535), (10, 438028), (20, 219014), (40, 109507)]