88888976840

素因数分解:

$2^3\times 5^1\times {\mathrm{2222224421}}^1$

素因数の和:2222224432

約数の個数: 16

約数和(自身を含む): 200000197980

約数和(自身を除く): 111111221140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2222224421, 4444448842, 8888897684, 11111122105, 17777795368, 22222244210, 44444488420, 88888976840]

約数ペア:

[(1, 88888976840), (2, 44444488420), (4, 22222244210), (5, 17777795368), (8, 11111122105), (10, 8888897684), (20, 4444448842), (40, 2222224421)]