814580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:276

約数の個数: 36

約数和(自身を含む): 1860012

約数和(自身を除く): 1045432

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 241, 260, 338, 482, 676, 845, 964, 1205, 1690, 2410, 3133, 3380, 4820, 6266, 12532, 15665, 31330, 40729, 62660, 81458, 162916, 203645, 407290, 814580]

約数ペア:

[(1, 814580), (2, 407290), (4, 203645), (5, 162916), (10, 81458), (13, 62660), (20, 40729), (26, 31330), (52, 15665), (65, 12532), (130, 6266), (169, 4820), (241, 3380), (260, 3133), (338, 2410), (482, 1690), (676, 1205), (845, 964)]