91768520

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{5323}}^1$

素因数の和:5765

約数の個数: 32

約数和(自身を含む): 206997120

約数和(自身を除く): 115228600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 5323, 8620, 10646, 17240, 21292, 26615, 42584, 53230, 106460, 212920, 2294213, 4588426, 9176852, 11471065, 18353704, 22942130, 45884260, 91768520]

約数ペア:

[(1, 91768520), (2, 45884260), (4, 22942130), (5, 18353704), (8, 11471065), (10, 9176852), (20, 4588426), (40, 2294213), (431, 212920), (862, 106460), (1724, 53230), (2155, 42584), (3448, 26615), (4310, 21292), (5323, 17240), (8620, 10646)]