80308520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46691}}^1$

素因数の和:46745

約数の個数: 32

約数和(自身を含む): 184900320

約数和(自身を除く): 104591800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 46691, 93382, 186764, 233455, 373528, 466910, 933820, 1867640, 2007713, 4015426, 8030852, 10038565, 16061704, 20077130, 40154260, 80308520]

約数ペア:

[(1, 80308520), (2, 40154260), (4, 20077130), (5, 16061704), (8, 10038565), (10, 8030852), (20, 4015426), (40, 2007713), (43, 1867640), (86, 933820), (172, 466910), (215, 373528), (344, 233455), (430, 186764), (860, 93382), (1720, 46691)]