80167960

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13451}}^1$

素因数の和:13611

約数の個数: 32

約数和(自身を含む): 181602000

約数和(自身を除く): 101434040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 13451, 26902, 53804, 67255, 107608, 134510, 269020, 538040, 2004199, 4008398, 8016796, 10020995, 16033592, 20041990, 40083980, 80167960]

約数ペア:

[(1, 80167960), (2, 40083980), (4, 20041990), (5, 16033592), (8, 10020995), (10, 8016796), (20, 4008398), (40, 2004199), (149, 538040), (298, 269020), (596, 134510), (745, 107608), (1192, 67255), (1490, 53804), (2980, 26902), (5960, 13451)]