66264220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{839}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 86145380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 718, 839, 1436, 1678, 1795, 3356, 3590, 3949, 4195, 7180, 7898, 8390, 9229, 15796, 16780, 18458, 19745, 36916, 39490, 46145, 78980, 92290, 184580, 301201, 602402, 1204804, 1506005, 3012010, 3313211, 6024020, 6626422, 13252844, 16566055, 33132110, 66264220]

約数ペア:

[(1, 66264220), (2, 33132110), (4, 16566055), (5, 13252844), (10, 6626422), (11, 6024020), (20, 3313211), (22, 3012010), (44, 1506005), (55, 1204804), (110, 602402), (220, 301201), (359, 184580), (718, 92290), (839, 78980), (1436, 46145), (1678, 39490), (1795, 36916), (3356, 19745), (3590, 18458), (3949, 16780), (4195, 15796), (7180, 9229), (7898, 8390)]