54127580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10957}}^1$

素因数の和:10998

約数の個数: 48

約数和(自身を含む): 128866080

約数和(自身を除く): 74738500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10957, 21914, 43828, 54785, 109570, 142441, 208183, 219140, 284882, 416366, 569764, 712205, 832732, 1040915, 1424410, 2081830, 2706379, 2848820, 4163660, 5412758, 10825516, 13531895, 27063790, 54127580]

約数ペア:

[(1, 54127580), (2, 27063790), (4, 13531895), (5, 10825516), (10, 5412758), (13, 4163660), (19, 2848820), (20, 2706379), (26, 2081830), (38, 1424410), (52, 1040915), (65, 832732), (76, 712205), (95, 569764), (130, 416366), (190, 284882), (247, 219140), (260, 208183), (380, 142441), (494, 109570), (988, 54785), (1235, 43828), (2470, 21914), (4940, 10957)]