94890020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{53309}}^1$

素因数の和:53407

約数の個数: 24

約数和(自身を含む): 201511800

約数和(自身を除く): 106621780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 53309, 106618, 213236, 266545, 533090, 1066180, 4744501, 9489002, 18978004, 23722505, 47445010, 94890020]

約数ペア:

[(1, 94890020), (2, 47445010), (4, 23722505), (5, 18978004), (10, 9489002), (20, 4744501), (89, 1066180), (178, 533090), (356, 266545), (445, 213236), (890, 106618), (1780, 53309)]