80317840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43651}}^1$

素因数の和:43687

約数の個数: 40

約数和(自身を含む): 194862528

約数和(自身を除く): 114544688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 43651, 87302, 174604, 218255, 349208, 436510, 698416, 873020, 1003973, 1746040, 2007946, 3492080, 4015892, 5019865, 8031784, 10039730, 16063568, 20079460, 40158920, 80317840]

約数ペア:

[(1, 80317840), (2, 40158920), (4, 20079460), (5, 16063568), (8, 10039730), (10, 8031784), (16, 5019865), (20, 4015892), (23, 3492080), (40, 2007946), (46, 1746040), (80, 1003973), (92, 873020), (115, 698416), (184, 436510), (230, 349208), (368, 218255), (460, 174604), (920, 87302), (1840, 43651)]