72499240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164771}}^1$

素因数の和:164793

約数の個数: 32

約数和(自身を含む): 177953760

約数和(自身を除く): 105454520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164771, 329542, 659084, 823855, 1318168, 1647710, 1812481, 3295420, 3624962, 6590840, 7249924, 9062405, 14499848, 18124810, 36249620, 72499240]

約数ペア:

[(1, 72499240), (2, 36249620), (4, 18124810), (5, 14499848), (8, 9062405), (10, 7249924), (11, 6590840), (20, 3624962), (22, 3295420), (40, 1812481), (44, 1647710), (55, 1318168), (88, 823855), (110, 659084), (220, 329542), (440, 164771)]