65136700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{15887}}^1$

素因数の和:15942

約数の個数: 36

約数和(自身を含む): 144803232

約数和(自身を除く): 79666532

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 15887, 31774, 63548, 79435, 158870, 317740, 397175, 651367, 794350, 1302734, 1588700, 2605468, 3256835, 6513670, 13027340, 16284175, 32568350, 65136700]

約数ペア:

[(1, 65136700), (2, 32568350), (4, 16284175), (5, 13027340), (10, 6513670), (20, 3256835), (25, 2605468), (41, 1588700), (50, 1302734), (82, 794350), (100, 651367), (164, 397175), (205, 317740), (410, 158870), (820, 79435), (1025, 63548), (2050, 31774), (4100, 15887)]