27880451920

素因数分解:

$2^4\times 5^1\times {\mathrm{348505649}}^1$

素因数の和:348505662

約数の個数: 20

約数和(自身を含む): 64822050900

約数和(自身を除く): 36941598980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348505649, 697011298, 1394022596, 1742528245, 2788045192, 3485056490, 5576090384, 6970112980, 13940225960, 27880451920]

約数ペア:

[(1, 27880451920), (2, 13940225960), (4, 6970112980), (5, 5576090384), (8, 3485056490), (10, 2788045192), (16, 1742528245), (20, 1394022596), (40, 697011298), (80, 348505649)]