7140880

素因数分解:

$2^4\times 5^1\times {\mathrm{89261}}^1$

素因数の和:89274

約数の個数: 20

約数和(自身を含む): 16602732

約数和(自身を除く): 9461852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89261, 178522, 357044, 446305, 714088, 892610, 1428176, 1785220, 3570440, 7140880]

約数ペア:

[(1, 7140880), (2, 3570440), (4, 1785220), (5, 1428176), (8, 892610), (10, 714088), (16, 446305), (20, 357044), (40, 178522), (80, 89261)]