25139090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 26752750

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 85, 86, 95, 170, 181, 190, 215, 323, 362, 430, 646, 731, 817, 905, 1462, 1615, 1634, 1810, 3077, 3230, 3439, 3655, 4085, 6154, 6878, 7310, 7783, 8170, 13889, 15385, 15566, 17195, 27778, 30770, 34390, 38915, 58463, 69445, 77830, 116926, 132311, 138890, 147877, 264622, 292315, 295754, 584630, 661555, 739385, 1323110, 1478770, 2513909, 5027818, 12569545, 25139090]

約数ペア:

[(1, 25139090), (2, 12569545), (5, 5027818), (10, 2513909), (17, 1478770), (19, 1323110), (34, 739385), (38, 661555), (43, 584630), (85, 295754), (86, 292315), (95, 264622), (170, 147877), (181, 138890), (190, 132311), (215, 116926), (323, 77830), (362, 69445), (430, 58463), (646, 38915), (731, 34390), (817, 30770), (905, 27778), (1462, 17195), (1615, 15566), (1634, 15385), (1810, 13889), (3077, 8170), (3230, 7783), (3439, 7310), (3655, 6878), (4085, 6154)]