65072860

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{19961}}^1$

素因数の和:20133

約数の個数: 24

約数和(自身を含む): 137498256

約数和(自身を除く): 72425396

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 19961, 39922, 79844, 99805, 199610, 399220, 3253643, 6507286, 13014572, 16268215, 32536430, 65072860]

約数ペア:

[(1, 65072860), (2, 32536430), (4, 16268215), (5, 13014572), (10, 6507286), (20, 3253643), (163, 399220), (326, 199610), (652, 99805), (815, 79844), (1630, 39922), (3260, 19961)]