10680920

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1039}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 24148800

約数和(自身を除く): 13467880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1039, 1285, 2056, 2078, 2570, 4156, 5140, 5195, 8312, 10280, 10390, 20780, 41560, 267023, 534046, 1068092, 1335115, 2136184, 2670230, 5340460, 10680920]

約数ペア:

[(1, 10680920), (2, 5340460), (4, 2670230), (5, 2136184), (8, 1335115), (10, 1068092), (20, 534046), (40, 267023), (257, 41560), (514, 20780), (1028, 10390), (1039, 10280), (1285, 8312), (2056, 5195), (2078, 5140), (2570, 4156)]