53040020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12689}}^1$

素因数の和:12728

約数の個数: 48

約数和(自身を含む): 127915200

約数和(自身を除く): 74875180

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, 12689, 25378, 50756, 63445, 126890, 139579, 241091, 253780, 279158, 482182, 558316, 697895, 964364, 1205455, 1395790, 2410910, 2652001, 2791580, 4821820, 5304002, 10608004, 13260005, 26520010, 53040020]

約数ペア:

[(1, 53040020), (2, 26520010), (4, 13260005), (5, 10608004), (10, 5304002), (11, 4821820), (19, 2791580), (20, 2652001), (22, 2410910), (38, 1395790), (44, 1205455), (55, 964364), (76, 697895), (95, 558316), (110, 482182), (190, 279158), (209, 253780), (220, 241091), (380, 139579), (418, 126890), (836, 63445), (1045, 50756), (2090, 25378), (4180, 12689)]