66217640

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{7229}}^1$

素因数の和:7469

約数の個数: 32

約数和(自身を含む): 149661000

約数和(自身を除く): 83443360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 7229, 9160, 14458, 28916, 36145, 57832, 72290, 144580, 289160, 1655441, 3310882, 6621764, 8277205, 13243528, 16554410, 33108820, 66217640]

約数ペア:

[(1, 66217640), (2, 33108820), (4, 16554410), (5, 13243528), (8, 8277205), (10, 6621764), (20, 3310882), (40, 1655441), (229, 289160), (458, 144580), (916, 72290), (1145, 57832), (1832, 36145), (2290, 28916), (4580, 14458), (7229, 9160)]