2493020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4061

約数の個数: 24

約数和(自身を含む): 5405568

約数和(自身を除く): 2912548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4021, 8042, 16084, 20105, 40210, 80420, 124651, 249302, 498604, 623255, 1246510, 2493020]

約数ペア:

[(1, 2493020), (2, 1246510), (4, 623255), (5, 498604), (10, 249302), (20, 124651), (31, 80420), (62, 40210), (124, 20105), (155, 16084), (310, 8042), (620, 4021)]