66779240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151771}}^1$

素因数の和:151793

約数の個数: 32

約数和(自身を含む): 163913760

約数和(自身を除く): 97134520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 151771, 303542, 607084, 758855, 1214168, 1517710, 1669481, 3035420, 3338962, 6070840, 6677924, 8347405, 13355848, 16694810, 33389620, 66779240]

約数ペア:

[(1, 66779240), (2, 33389620), (4, 16694810), (5, 13355848), (8, 8347405), (10, 6677924), (11, 6070840), (20, 3338962), (22, 3035420), (40, 1669481), (44, 1517710), (55, 1214168), (88, 758855), (110, 607084), (220, 303542), (440, 151771)]