40591850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 81979128

約数和(自身を除く): 41387278

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 197, 317, 325, 394, 634, 650, 985, 1585, 1970, 2561, 3170, 4121, 4925, 5122, 7925, 8242, 9850, 12805, 15850, 20605, 25610, 41210, 62449, 64025, 103025, 124898, 128050, 206050, 312245, 624490, 811837, 1561225, 1623674, 3122450, 4059185, 8118370, 20295925, 40591850]

約数ペア:

[(1, 40591850), (2, 20295925), (5, 8118370), (10, 4059185), (13, 3122450), (25, 1623674), (26, 1561225), (50, 811837), (65, 624490), (130, 312245), (197, 206050), (317, 128050), (325, 124898), (394, 103025), (634, 64025), (650, 62449), (985, 41210), (1585, 25610), (1970, 20605), (2561, 15850), (3170, 12805), (4121, 9850), (4925, 8242), (5122, 7925)]