25205560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 60808320

約数和(自身を除く): 35602760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 367, 404, 505, 680, 734, 808, 1010, 1468, 1717, 1835, 2020, 2936, 3434, 3670, 4040, 6239, 6868, 7340, 8585, 12478, 13736, 14680, 17170, 24956, 31195, 34340, 37067, 49912, 62390, 68680, 74134, 124780, 148268, 185335, 249560, 296536, 370670, 630139, 741340, 1260278, 1482680, 2520556, 3150695, 5041112, 6301390, 12602780, 25205560]

約数ペア:

[(1, 25205560), (2, 12602780), (4, 6301390), (5, 5041112), (8, 3150695), (10, 2520556), (17, 1482680), (20, 1260278), (34, 741340), (40, 630139), (68, 370670), (85, 296536), (101, 249560), (136, 185335), (170, 148268), (202, 124780), (340, 74134), (367, 68680), (404, 62390), (505, 49912), (680, 37067), (734, 34340), (808, 31195), (1010, 24956), (1468, 17170), (1717, 14680), (1835, 13736), (2020, 12478), (2936, 8585), (3434, 7340), (3670, 6868), (4040, 6239)]