61899640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140681}}^1$

素因数の和:140703

約数の個数: 32

約数和(自身を含む): 151936560

約数和(自身を除く): 90036920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 140681, 281362, 562724, 703405, 1125448, 1406810, 1547491, 2813620, 3094982, 5627240, 6189964, 7737455, 12379928, 15474910, 30949820, 61899640]

約数ペア:

[(1, 61899640), (2, 30949820), (4, 15474910), (5, 12379928), (8, 7737455), (10, 6189964), (11, 5627240), (20, 3094982), (22, 2813620), (40, 1547491), (44, 1406810), (55, 1125448), (88, 703405), (110, 562724), (220, 281362), (440, 140681)]