87560980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{336773}}^1$

素因数の和:336795

約数の個数: 24

約数和(自身を含む): 198023112

約数和(自身を除く): 110462132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 336773, 673546, 1347092, 1683865, 3367730, 4378049, 6735460, 8756098, 17512196, 21890245, 43780490, 87560980]

約数ペア:

[(1, 87560980), (2, 43780490), (4, 21890245), (5, 17512196), (10, 8756098), (13, 6735460), (20, 4378049), (26, 3367730), (52, 1683865), (65, 1347092), (130, 673546), (260, 336773)]