56140760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 137440800

約数和(自身を除く): 81300040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1009, 1070, 1391, 2018, 2140, 2782, 4036, 4280, 5045, 5564, 6955, 8072, 10090, 11128, 13117, 13910, 20180, 26234, 27820, 40360, 52468, 55640, 65585, 104936, 107963, 131170, 215926, 262340, 431852, 524680, 539815, 863704, 1079630, 1403519, 2159260, 2807038, 4318520, 5614076, 7017595, 11228152, 14035190, 28070380, 56140760]

約数ペア:

[(1, 56140760), (2, 28070380), (4, 14035190), (5, 11228152), (8, 7017595), (10, 5614076), (13, 4318520), (20, 2807038), (26, 2159260), (40, 1403519), (52, 1079630), (65, 863704), (104, 539815), (107, 524680), (130, 431852), (214, 262340), (260, 215926), (428, 131170), (520, 107963), (535, 104936), (856, 65585), (1009, 55640), (1070, 52468), (1391, 40360), (2018, 27820), (2140, 26234), (2782, 20180), (4036, 13910), (4280, 13117), (5045, 11128), (5564, 10090), (6955, 8072)]