2179760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2477}}^1$

素因数の和:2501

約数の個数: 40

約数和(自身を含む): 5530896

約数和(自身を除く): 3351136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2477, 4954, 9908, 12385, 19816, 24770, 27247, 39632, 49540, 54494, 99080, 108988, 136235, 198160, 217976, 272470, 435952, 544940, 1089880, 2179760]

約数ペア:

[(1, 2179760), (2, 1089880), (4, 544940), (5, 435952), (8, 272470), (10, 217976), (11, 198160), (16, 136235), (20, 108988), (22, 99080), (40, 54494), (44, 49540), (55, 39632), (80, 27247), (88, 24770), (110, 19816), (176, 12385), (220, 9908), (440, 4954), (880, 2477)]