57628780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6389}}^1$

素因数の和:6450

約数の個数: 48

約数和(自身を含む): 135263520

約数和(自身を除く): 77634740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 6389, 9020, 12778, 25556, 31945, 63890, 70279, 127780, 140558, 261949, 281116, 351395, 523898, 702790, 1047796, 1309745, 1405580, 2619490, 2881439, 5238980, 5762878, 11525756, 14407195, 28814390, 57628780]

約数ペア:

[(1, 57628780), (2, 28814390), (4, 14407195), (5, 11525756), (10, 5762878), (11, 5238980), (20, 2881439), (22, 2619490), (41, 1405580), (44, 1309745), (55, 1047796), (82, 702790), (110, 523898), (164, 351395), (205, 281116), (220, 261949), (410, 140558), (451, 127780), (820, 70279), (902, 63890), (1804, 31945), (2255, 25556), (4510, 12778), (6389, 9020)]