68716880

素因数分解:

$2^4\times 5^1\times {\mathrm{858961}}^1$

素因数の和:858974

約数の個数: 20

約数和(自身を含む): 159766932

約数和(自身を除く): 91050052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 858961, 1717922, 3435844, 4294805, 6871688, 8589610, 13743376, 17179220, 34358440, 68716880]

約数ペア:

[(1, 68716880), (2, 34358440), (4, 17179220), (5, 13743376), (8, 8589610), (10, 6871688), (16, 4294805), (20, 3435844), (40, 1717922), (80, 858961)]