80154860

素因数分解:

$2^2\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{2213}}^1$

素因数の和:4033

約数の個数: 24

約数和(自身を含む): 168494256

約数和(自身を除く): 88339396

約数列:

[1, 2, 4, 5, 10, 20, 1811, 2213, 3622, 4426, 7244, 8852, 9055, 11065, 18110, 22130, 36220, 44260, 4007743, 8015486, 16030972, 20038715, 40077430, 80154860]

約数ペア:

[(1, 80154860), (2, 40077430), (4, 20038715), (5, 16030972), (10, 8015486), (20, 4007743), (1811, 44260), (2213, 36220), (3622, 22130), (4426, 18110), (7244, 11065), (8852, 9055)]