4047980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6529}}^1$

素因数の和:6569

約数の個数: 24

約数和(自身を含む): 8776320

約数和(自身を除く): 4728340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6529, 13058, 26116, 32645, 65290, 130580, 202399, 404798, 809596, 1011995, 2023990, 4047980]

約数ペア:

[(1, 4047980), (2, 2023990), (4, 1011995), (5, 809596), (10, 404798), (20, 202399), (31, 130580), (62, 65290), (124, 32645), (155, 26116), (310, 13058), (620, 6529)]