72896120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165673}}^1$

素因数の和:165695

約数の個数: 32

約数和(自身を含む): 178927920

約数和(自身を除く): 106031800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 165673, 331346, 662692, 828365, 1325384, 1656730, 1822403, 3313460, 3644806, 6626920, 7289612, 9112015, 14579224, 18224030, 36448060, 72896120]

約数ペア:

[(1, 72896120), (2, 36448060), (4, 18224030), (5, 14579224), (8, 9112015), (10, 7289612), (11, 6626920), (20, 3644806), (22, 3313460), (40, 1822403), (44, 1656730), (55, 1325384), (88, 828365), (110, 662692), (220, 331346), (440, 165673)]