859760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:1001

約数の個数: 40

約数和(自身を含む): 2182896

約数和(自身を除く): 1323136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 977, 1954, 3908, 4885, 7816, 9770, 10747, 15632, 19540, 21494, 39080, 42988, 53735, 78160, 85976, 107470, 171952, 214940, 429880, 859760]

約数ペア:

[(1, 859760), (2, 429880), (4, 214940), (5, 171952), (8, 107470), (10, 85976), (11, 78160), (16, 53735), (20, 42988), (22, 39080), (40, 21494), (44, 19540), (55, 15632), (80, 10747), (88, 9770), (110, 7816), (176, 4885), (220, 3908), (440, 1954), (880, 977)]