66504020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{27481}}^1$

素因数の和:27512

約数の個数: 36

約数和(自身を含む): 153514452

約数和(自身を除く): 87010432

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 27481, 54962, 109924, 137405, 274810, 302291, 549620, 604582, 1209164, 1511455, 3022910, 3325201, 6045820, 6650402, 13300804, 16626005, 33252010, 66504020]

約数ペア:

[(1, 66504020), (2, 33252010), (4, 16626005), (5, 13300804), (10, 6650402), (11, 6045820), (20, 3325201), (22, 3022910), (44, 1511455), (55, 1209164), (110, 604582), (121, 549620), (220, 302291), (242, 274810), (484, 137405), (605, 109924), (1210, 54962), (2420, 27481)]