2541380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4139

約数の個数: 24

約数和(自身を含む): 5510400

約数和(自身を除く): 2969020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4099, 8198, 16396, 20495, 40990, 81980, 127069, 254138, 508276, 635345, 1270690, 2541380]

約数ペア:

[(1, 2541380), (2, 1270690), (4, 635345), (5, 508276), (10, 254138), (20, 127069), (31, 81980), (62, 40990), (124, 20495), (155, 16396), (310, 8198), (620, 4099)]