8109880

素因数分解:

$2^3\times 5^1\times {\mathrm{202747}}^1$

素因数の和:202758

約数の個数: 16

約数和(自身を含む): 18247320

約数和(自身を除く): 10137440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 202747, 405494, 810988, 1013735, 1621976, 2027470, 4054940, 8109880]

約数ペア:

[(1, 8109880), (2, 4054940), (4, 2027470), (5, 1621976), (8, 1013735), (10, 810988), (20, 405494), (40, 202747)]