55920040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6730

約数の個数: 64

約数和(自身を含む): 144504000

約数和(自身を除く): 88583960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 6689, 8360, 13378, 26756, 33445, 53512, 66890, 73579, 127091, 133780, 147158, 254182, 267560, 294316, 367895, 508364, 588632, 635455, 735790, 1016728, 1270910, 1398001, 1471580, 2541820, 2796002, 2943160, 5083640, 5592004, 6990005, 11184008, 13980010, 27960020, 55920040]

約数ペア:

[(1, 55920040), (2, 27960020), (4, 13980010), (5, 11184008), (8, 6990005), (10, 5592004), (11, 5083640), (19, 2943160), (20, 2796002), (22, 2541820), (38, 1471580), (40, 1398001), (44, 1270910), (55, 1016728), (76, 735790), (88, 635455), (95, 588632), (110, 508364), (152, 367895), (190, 294316), (209, 267560), (220, 254182), (380, 147158), (418, 133780), (440, 127091), (760, 73579), (836, 66890), (1045, 53512), (1672, 33445), (2090, 26756), (4180, 13378), (6689, 8360)]