660445630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{123911}}^1$

素因数の和:123972

約数の個数: 32

約数和(自身を含む): 1311484608

約数和(自身を除く): 651038978

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 123911, 247822, 619555, 1239110, 1610843, 3221686, 5080351, 8054215, 10160702, 16108430, 25401755, 50803510, 66044563, 132089126, 330222815, 660445630]

約数ペア:

[(1, 660445630), (2, 330222815), (5, 132089126), (10, 66044563), (13, 50803510), (26, 25401755), (41, 16108430), (65, 10160702), (82, 8054215), (130, 5080351), (205, 3221686), (410, 1610843), (533, 1239110), (1066, 619555), (2665, 247822), (5330, 123911)]