42805880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 104448960

約数和(自身を除く): 61643080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 313, 520, 526, 626, 1052, 1252, 1315, 1565, 2104, 2504, 2630, 3130, 3419, 4069, 5260, 6260, 6838, 8138, 10520, 12520, 13676, 16276, 17095, 20345, 27352, 32552, 34190, 40690, 68380, 81380, 82319, 136760, 162760, 164638, 329276, 411595, 658552, 823190, 1070147, 1646380, 2140294, 3292760, 4280588, 5350735, 8561176, 10701470, 21402940, 42805880]

約数ペア:

[(1, 42805880), (2, 21402940), (4, 10701470), (5, 8561176), (8, 5350735), (10, 4280588), (13, 3292760), (20, 2140294), (26, 1646380), (40, 1070147), (52, 823190), (65, 658552), (104, 411595), (130, 329276), (260, 164638), (263, 162760), (313, 136760), (520, 82319), (526, 81380), (626, 68380), (1052, 40690), (1252, 34190), (1315, 32552), (1565, 27352), (2104, 20345), (2504, 17095), (2630, 16276), (3130, 13676), (3419, 12520), (4069, 10520), (5260, 8138), (6260, 6838)]