1310505950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{2129}}^1$

素因数の和:3101

約数の個数: 48

約数和(自身を含む): 2629050480

約数和(自身を除く): 1318544530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 947, 1894, 2129, 4258, 4735, 9470, 10645, 12311, 21290, 23675, 24622, 27677, 47350, 53225, 55354, 61555, 106450, 123110, 138385, 276770, 307775, 615550, 691925, 1383850, 2016163, 4032326, 10080815, 20161630, 26210119, 50404075, 52420238, 100808150, 131050595, 262101190, 655252975, 1310505950]

約数ペア:

[(1, 1310505950), (2, 655252975), (5, 262101190), (10, 131050595), (13, 100808150), (25, 52420238), (26, 50404075), (50, 26210119), (65, 20161630), (130, 10080815), (325, 4032326), (650, 2016163), (947, 1383850), (1894, 691925), (2129, 615550), (4258, 307775), (4735, 276770), (9470, 138385), (10645, 123110), (12311, 106450), (21290, 61555), (23675, 55354), (24622, 53225), (27677, 47350)]