64414880

素因数分解:

$2^5\times 5^1\times {\mathrm{402593}}^1$

素因数の和:402608

約数の個数: 24

約数和(自身を含む): 152180532

約数和(自身を除く): 87765652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 402593, 805186, 1610372, 2012965, 3220744, 4025930, 6441488, 8051860, 12882976, 16103720, 32207440, 64414880]

約数ペア:

[(1, 64414880), (2, 32207440), (4, 16103720), (5, 12882976), (8, 8051860), (10, 6441488), (16, 4025930), (20, 3220744), (32, 2012965), (40, 1610372), (80, 805186), (160, 402593)]