25421500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3911}}^1$

素因数の和:3943

約数の個数: 48

約数和(自身を含む): 59806656

約数和(自身を除く): 34385156

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 3911, 6500, 7822, 15644, 19555, 39110, 50843, 78220, 97775, 101686, 195550, 203372, 254215, 391100, 488875, 508430, 977750, 1016860, 1271075, 1955500, 2542150, 5084300, 6355375, 12710750, 25421500]

約数ペア:

[(1, 25421500), (2, 12710750), (4, 6355375), (5, 5084300), (10, 2542150), (13, 1955500), (20, 1271075), (25, 1016860), (26, 977750), (50, 508430), (52, 488875), (65, 391100), (100, 254215), (125, 203372), (130, 195550), (250, 101686), (260, 97775), (325, 78220), (500, 50843), (650, 39110), (1300, 19555), (1625, 15644), (3250, 7822), (3911, 6500)]