72772040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165391}}^1$

素因数の和:165413

約数の個数: 32

約数和(自身を含む): 178623360

約数和(自身を除く): 105851320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 165391, 330782, 661564, 826955, 1323128, 1653910, 1819301, 3307820, 3638602, 6615640, 7277204, 9096505, 14554408, 18193010, 36386020, 72772040]

約数ペア:

[(1, 72772040), (2, 36386020), (4, 18193010), (5, 14554408), (8, 9096505), (10, 7277204), (11, 6615640), (20, 3638602), (22, 3307820), (40, 1819301), (44, 1653910), (55, 1323128), (88, 826955), (110, 661564), (220, 330782), (440, 165391)]