25574770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 51320520

約数和(自身を除く): 25745750

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 169, 185, 338, 370, 409, 481, 818, 845, 962, 1690, 2045, 2405, 4090, 4810, 5317, 6253, 10634, 12506, 15133, 26585, 30266, 31265, 53170, 62530, 69121, 75665, 138242, 151330, 196729, 345605, 393458, 691210, 983645, 1967290, 2557477, 5114954, 12787385, 25574770]

約数ペア:

[(1, 25574770), (2, 12787385), (5, 5114954), (10, 2557477), (13, 1967290), (26, 983645), (37, 691210), (65, 393458), (74, 345605), (130, 196729), (169, 151330), (185, 138242), (338, 75665), (370, 69121), (409, 62530), (481, 53170), (818, 31265), (845, 30266), (962, 26585), (1690, 15133), (2045, 12506), (2405, 10634), (4090, 6253), (4810, 5317)]