25212890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 22065190

約数列:

[1, 2, 5, 10, 29, 58, 145, 227, 290, 383, 454, 766, 1135, 1915, 2270, 3830, 6583, 11107, 13166, 22214, 32915, 55535, 65830, 86941, 111070, 173882, 434705, 869410, 2521289, 5042578, 12606445, 25212890]

約数ペア:

[(1, 25212890), (2, 12606445), (5, 5042578), (10, 2521289), (29, 869410), (58, 434705), (145, 173882), (227, 111070), (290, 86941), (383, 65830), (454, 55535), (766, 32915), (1135, 22214), (1915, 13166), (2270, 11107), (3830, 6583)]