25194620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 60328800

約数和(自身を除く): 35134180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 359, 484, 580, 605, 638, 718, 1210, 1276, 1436, 1595, 1795, 2420, 3190, 3509, 3590, 3949, 6380, 7018, 7180, 7898, 10411, 14036, 15796, 17545, 19745, 20822, 35090, 39490, 41644, 43439, 52055, 70180, 78980, 86878, 104110, 114521, 173756, 208220, 217195, 229042, 434390, 458084, 572605, 868780, 1145210, 1259731, 2290420, 2519462, 5038924, 6298655, 12597310, 25194620]

約数ペア:

[(1, 25194620), (2, 12597310), (4, 6298655), (5, 5038924), (10, 2519462), (11, 2290420), (20, 1259731), (22, 1145210), (29, 868780), (44, 572605), (55, 458084), (58, 434390), (110, 229042), (116, 217195), (121, 208220), (145, 173756), (220, 114521), (242, 104110), (290, 86878), (319, 78980), (359, 70180), (484, 52055), (580, 43439), (605, 41644), (638, 39490), (718, 35090), (1210, 20822), (1276, 19745), (1436, 17545), (1595, 15796), (1795, 14036), (2420, 10411), (3190, 7898), (3509, 7180), (3590, 7018), (3949, 6380)]