80423360

素因数分解:

$2^6\times 5^1\times {\mathrm{251323}}^1$

素因数の和:251340

約数の個数: 28

約数和(自身を含む): 191508888

約数和(自身を除く): 111085528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251323, 502646, 1005292, 1256615, 2010584, 2513230, 4021168, 5026460, 8042336, 10052920, 16084672, 20105840, 40211680, 80423360]

約数ペア:

[(1, 80423360), (2, 40211680), (4, 20105840), (5, 16084672), (8, 10052920), (10, 8042336), (16, 5026460), (20, 4021168), (32, 2513230), (40, 2010584), (64, 1256615), (80, 1005292), (160, 502646), (320, 251323)]