64712120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{147073}}^1$

素因数の和:147095

約数の個数: 32

約数和(自身を含む): 158839920

約数和(自身を除く): 94127800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 147073, 294146, 588292, 735365, 1176584, 1470730, 1617803, 2941460, 3235606, 5882920, 6471212, 8089015, 12942424, 16178030, 32356060, 64712120]

約数ペア:

[(1, 64712120), (2, 32356060), (4, 16178030), (5, 12942424), (8, 8089015), (10, 6471212), (11, 5882920), (20, 3235606), (22, 2941460), (40, 1617803), (44, 1470730), (55, 1176584), (88, 735365), (110, 588292), (220, 294146), (440, 147073)]