2912705187160

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{90009431}}^1$

素因数の和:90010251

約数の個数: 32

約数和(自身を含む): 6561687592800

約数和(自身を除く): 3648982405640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 6472, 8090, 16180, 32360, 90009431, 180018862, 360037724, 450047155, 720075448, 900094310, 1800188620, 3600377240, 72817629679, 145635259358, 291270518716, 364088148395, 582541037432, 728176296790, 1456352593580, 2912705187160]

約数ペア:

[(1, 2912705187160), (2, 1456352593580), (4, 728176296790), (5, 582541037432), (8, 364088148395), (10, 291270518716), (20, 145635259358), (40, 72817629679), (809, 3600377240), (1618, 1800188620), (3236, 900094310), (4045, 720075448), (6472, 450047155), (8090, 360037724), (16180, 180018862), (32360, 90009431)]