64226420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103591}}^1$

素因数の和:103631

約数の個数: 24

約数和(自身を含む): 139227648

約数和(自身を除く): 75001228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 103591, 207182, 414364, 517955, 1035910, 2071820, 3211321, 6422642, 12845284, 16056605, 32113210, 64226420]

約数ペア:

[(1, 64226420), (2, 32113210), (4, 16056605), (5, 12845284), (10, 6422642), (20, 3211321), (31, 2071820), (62, 1035910), (124, 517955), (155, 414364), (310, 207182), (620, 103591)]