81608013890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5237}}^1\times {\mathrm{119869}}^1$

素因数の和:125126

約数の個数: 32

約数和(自身を含む): 158225523120

約数和(自身を除く): 76617509230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5237, 10474, 26185, 52370, 68081, 119869, 136162, 239738, 340405, 599345, 680810, 1198690, 1558297, 3116594, 7791485, 15582970, 627753953, 1255507906, 3138769765, 6277539530, 8160801389, 16321602778, 40804006945, 81608013890]

約数ペア:

[(1, 81608013890), (2, 40804006945), (5, 16321602778), (10, 8160801389), (13, 6277539530), (26, 3138769765), (65, 1255507906), (130, 627753953), (5237, 15582970), (10474, 7791485), (26185, 3116594), (52370, 1558297), (68081, 1198690), (119869, 680810), (136162, 599345), (239738, 340405)]