55206760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2866

約数の個数: 64

約数和(自身を含む): 144011520

約数和(自身を除く): 88804760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2777, 2840, 3976, 4970, 5554, 9940, 11108, 13885, 19439, 19880, 22216, 27770, 38878, 55540, 77756, 97195, 111080, 155512, 194390, 197167, 388780, 394334, 777560, 788668, 985835, 1380169, 1577336, 1971670, 2760338, 3943340, 5520676, 6900845, 7886680, 11041352, 13801690, 27603380, 55206760]

約数ペア:

[(1, 55206760), (2, 27603380), (4, 13801690), (5, 11041352), (7, 7886680), (8, 6900845), (10, 5520676), (14, 3943340), (20, 2760338), (28, 1971670), (35, 1577336), (40, 1380169), (56, 985835), (70, 788668), (71, 777560), (140, 394334), (142, 388780), (280, 197167), (284, 194390), (355, 155512), (497, 111080), (568, 97195), (710, 77756), (994, 55540), (1420, 38878), (1988, 27770), (2485, 22216), (2777, 19880), (2840, 19439), (3976, 13885), (4970, 11108), (5554, 9940)]