89705360

素因数分解:

$2^4\times 5^1\times {\mathrm{1121317}}^1$

素因数の和:1121330

約数の個数: 20

約数和(自身を含む): 208565148

約数和(自身を除く): 118859788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1121317, 2242634, 4485268, 5606585, 8970536, 11213170, 17941072, 22426340, 44852680, 89705360]

約数ペア:

[(1, 89705360), (2, 44852680), (4, 22426340), (5, 17941072), (8, 11213170), (10, 8970536), (16, 5606585), (20, 4485268), (40, 2242634), (80, 1121317)]