81827240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{185971}}^1$

素因数の和:185993

約数の個数: 32

約数和(自身を含む): 200849760

約数和(自身を除く): 119022520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 185971, 371942, 743884, 929855, 1487768, 1859710, 2045681, 3719420, 4091362, 7438840, 8182724, 10228405, 16365448, 20456810, 40913620, 81827240]

約数ペア:

[(1, 81827240), (2, 40913620), (4, 20456810), (5, 16365448), (8, 10228405), (10, 8182724), (11, 7438840), (20, 4091362), (22, 3719420), (40, 2045681), (44, 1859710), (55, 1487768), (88, 929855), (110, 743884), (220, 371942), (440, 185971)]