84669160

素因数分解:

$2^3\times 5^1\times {\mathrm{2116729}}^1$

素因数の和:2116740

約数の個数: 16

約数和(自身を含む): 190505700

約数和(自身を除く): 105836540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2116729, 4233458, 8466916, 10583645, 16933832, 21167290, 42334580, 84669160]

約数ペア:

[(1, 84669160), (2, 42334580), (4, 21167290), (5, 16933832), (8, 10583645), (10, 8466916), (20, 4233458), (40, 2116729)]