27139640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61681}}^1$

素因数の和:61703

約数の個数: 32

約数和(自身を含む): 66616560

約数和(自身を除く): 39476920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 61681, 123362, 246724, 308405, 493448, 616810, 678491, 1233620, 1356982, 2467240, 2713964, 3392455, 5427928, 6784910, 13569820, 27139640]

約数ペア:

[(1, 27139640), (2, 13569820), (4, 6784910), (5, 5427928), (8, 3392455), (10, 2713964), (11, 2467240), (20, 1356982), (22, 1233620), (40, 678491), (44, 616810), (55, 493448), (88, 308405), (110, 246724), (220, 123362), (440, 61681)]