329727280

素因数分解:

$2^4\times 5^1\times {\mathrm{4121591}}^1$

素因数の和:4121604

約数の個数: 20

約数和(自身を含む): 766616112

約数和(自身を除く): 436888832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4121591, 8243182, 16486364, 20607955, 32972728, 41215910, 65945456, 82431820, 164863640, 329727280]

約数ペア:

[(1, 329727280), (2, 164863640), (4, 82431820), (5, 65945456), (8, 41215910), (10, 32972728), (16, 20607955), (20, 16486364), (40, 8243182), (80, 4121591)]