51081560

素因数分解:

$2^3\times 5^1\times {\mathrm{1277039}}^1$

素因数の和:1277050

約数の個数: 16

約数和(自身を含む): 114933600

約数和(自身を除く): 63852040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277039, 2554078, 5108156, 6385195, 10216312, 12770390, 25540780, 51081560]

約数ペア:

[(1, 51081560), (2, 25540780), (4, 12770390), (5, 10216312), (8, 6385195), (10, 5108156), (20, 2554078), (40, 1277039)]