2493640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 5794560

約数和(自身を除く): 3300920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2011, 4022, 8044, 10055, 16088, 20110, 40220, 62341, 80440, 124682, 249364, 311705, 498728, 623410, 1246820, 2493640]

約数ペア:

[(1, 2493640), (2, 1246820), (4, 623410), (5, 498728), (8, 311705), (10, 249364), (20, 124682), (31, 80440), (40, 62341), (62, 40220), (124, 20110), (155, 16088), (248, 10055), (310, 8044), (620, 4022), (1240, 2011)]