64514840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124067}}^1$

素因数の和:124091

約数の個数: 32

約数和(自身を含む): 156325680

約数和(自身を除く): 91810840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124067, 248134, 496268, 620335, 992536, 1240670, 1612871, 2481340, 3225742, 4962680, 6451484, 8064355, 12902968, 16128710, 32257420, 64514840]

約数ペア:

[(1, 64514840), (2, 32257420), (4, 16128710), (5, 12902968), (8, 8064355), (10, 6451484), (13, 4962680), (20, 3225742), (26, 2481340), (40, 1612871), (52, 1240670), (65, 992536), (104, 620335), (130, 496268), (260, 248134), (520, 124067)]