25346320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18637}}^1$

素因数の和:18667

約数の個数: 40

約数和(自身を含む): 62400024

約数和(自身を除く): 37053704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18637, 37274, 74548, 93185, 149096, 186370, 298192, 316829, 372740, 633658, 745480, 1267316, 1490960, 1584145, 2534632, 3168290, 5069264, 6336580, 12673160, 25346320]

約数ペア:

[(1, 25346320), (2, 12673160), (4, 6336580), (5, 5069264), (8, 3168290), (10, 2534632), (16, 1584145), (17, 1490960), (20, 1267316), (34, 745480), (40, 633658), (68, 372740), (80, 316829), (85, 298192), (136, 186370), (170, 149096), (272, 93185), (340, 74548), (680, 37274), (1360, 18637)]