25872462460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1\times {\mathrm{71129}}^1$

素因数の和:72550

約数の個数: 48

約数和(自身を含む): 58554216000

約数和(自身を除く): 32681753540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1399, 2798, 5596, 6995, 13990, 18187, 27980, 36374, 71129, 72748, 90935, 142258, 181870, 284516, 355645, 363740, 711290, 924677, 1422580, 1849354, 3698708, 4623385, 9246770, 18493540, 99509471, 199018942, 398037884, 497547355, 995094710, 1293623123, 1990189420, 2587246246, 5174492492, 6468115615, 12936231230, 25872462460]

約数ペア:

[(1, 25872462460), (2, 12936231230), (4, 6468115615), (5, 5174492492), (10, 2587246246), (13, 1990189420), (20, 1293623123), (26, 995094710), (52, 497547355), (65, 398037884), (130, 199018942), (260, 99509471), (1399, 18493540), (2798, 9246770), (5596, 4623385), (6995, 3698708), (13990, 1849354), (18187, 1422580), (27980, 924677), (36374, 711290), (71129, 363740), (72748, 355645), (90935, 284516), (142258, 181870)]