65130760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20611}}^1$

素因数の和:20701

約数の個数: 32

約数和(自身を含む): 148406400

約数和(自身を除く): 83275640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 20611, 41222, 82444, 103055, 164888, 206110, 412220, 824440, 1628269, 3256538, 6513076, 8141345, 13026152, 16282690, 32565380, 65130760]

約数ペア:

[(1, 65130760), (2, 32565380), (4, 16282690), (5, 13026152), (8, 8141345), (10, 6513076), (20, 3256538), (40, 1628269), (79, 824440), (158, 412220), (316, 206110), (395, 164888), (632, 103055), (790, 82444), (1580, 41222), (3160, 20611)]