2010137960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1621079}}^1$

素因数の和:1621121

約数の個数: 32

約数和(自身を含む): 4668710400

約数和(自身を除く): 2658572440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1621079, 3242158, 6484316, 8105395, 12968632, 16210790, 32421580, 50253449, 64843160, 100506898, 201013796, 251267245, 402027592, 502534490, 1005068980, 2010137960]

約数ペア:

[(1, 2010137960), (2, 1005068980), (4, 502534490), (5, 402027592), (8, 251267245), (10, 201013796), (20, 100506898), (31, 64843160), (40, 50253449), (62, 32421580), (124, 16210790), (155, 12968632), (248, 8105395), (310, 6484316), (620, 3242158), (1240, 1621079)]