90392080

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4021}}^1$

素因数の和:4315

約数の個数: 40

約数和(自身を含む): 210961944

約数和(自身を除く): 120569864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4021, 4496, 5620, 8042, 11240, 16084, 20105, 22480, 32168, 40210, 64336, 80420, 160840, 321680, 1129901, 2259802, 4519604, 5649505, 9039208, 11299010, 18078416, 22598020, 45196040, 90392080]

約数ペア:

[(1, 90392080), (2, 45196040), (4, 22598020), (5, 18078416), (8, 11299010), (10, 9039208), (16, 5649505), (20, 4519604), (40, 2259802), (80, 1129901), (281, 321680), (562, 160840), (1124, 80420), (1405, 64336), (2248, 40210), (2810, 32168), (4021, 22480), (4496, 20105), (5620, 16084), (8042, 11240)]