8980880

素因数分解:

$2^4\times 5^1\times {\mathrm{112261}}^1$

素因数の和:112274

約数の個数: 20

約数和(自身を含む): 20880732

約数和(自身を除く): 11899852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112261, 224522, 449044, 561305, 898088, 1122610, 1796176, 2245220, 4490440, 8980880]

約数ペア:

[(1, 8980880), (2, 4490440), (4, 2245220), (5, 1796176), (8, 1122610), (10, 898088), (16, 561305), (20, 449044), (40, 224522), (80, 112261)]