88970320

素因数分解:

$2^4\times 5^1\times {\mathrm{1112129}}^1$

素因数の和:1112142

約数の個数: 20

約数和(自身を含む): 206856180

約数和(自身を除く): 117885860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1112129, 2224258, 4448516, 5560645, 8897032, 11121290, 17794064, 22242580, 44485160, 88970320]

約数ペア:

[(1, 88970320), (2, 44485160), (4, 22242580), (5, 17794064), (8, 11121290), (10, 8897032), (16, 5560645), (20, 4448516), (40, 2224258), (80, 1112129)]