66221320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{150503}}^1$

素因数の和:150525

約数の個数: 32

約数和(自身を含む): 162544320

約数和(自身を除く): 96323000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 150503, 301006, 602012, 752515, 1204024, 1505030, 1655533, 3010060, 3311066, 6020120, 6622132, 8277665, 13244264, 16555330, 33110660, 66221320]

約数ペア:

[(1, 66221320), (2, 33110660), (4, 16555330), (5, 13244264), (8, 8277665), (10, 6622132), (11, 6020120), (20, 3311066), (22, 3010060), (40, 1655533), (44, 1505030), (55, 1204024), (88, 752515), (110, 602012), (220, 301006), (440, 150503)]