53840720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9479}}^1$

素因数の和:9563

約数の個数: 40

約数和(自身を含む): 126956160

約数和(自身を除く): 73115440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9479, 18958, 37916, 47395, 75832, 94790, 151664, 189580, 379160, 673009, 758320, 1346018, 2692036, 3365045, 5384072, 6730090, 10768144, 13460180, 26920360, 53840720]

約数ペア:

[(1, 53840720), (2, 26920360), (4, 13460180), (5, 10768144), (8, 6730090), (10, 5384072), (16, 3365045), (20, 2692036), (40, 1346018), (71, 758320), (80, 673009), (142, 379160), (284, 189580), (355, 151664), (568, 94790), (710, 75832), (1136, 47395), (1420, 37916), (2840, 18958), (5680, 9479)]