27960020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6728

約数の個数: 48

約数和(自身を含む): 67435200

約数和(自身を除く): 39475180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6689, 13378, 26756, 33445, 66890, 73579, 127091, 133780, 147158, 254182, 294316, 367895, 508364, 635455, 735790, 1270910, 1398001, 1471580, 2541820, 2796002, 5592004, 6990005, 13980010, 27960020]

約数ペア:

[(1, 27960020), (2, 13980010), (4, 6990005), (5, 5592004), (10, 2796002), (11, 2541820), (19, 1471580), (20, 1398001), (22, 1270910), (38, 735790), (44, 635455), (55, 508364), (76, 367895), (95, 294316), (110, 254182), (190, 147158), (209, 133780), (220, 127091), (380, 73579), (418, 66890), (836, 33445), (1045, 26756), (2090, 13378), (4180, 6689)]