7939220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5591}}^1$

素因数の和:5671

約数の個数: 24

約数和(自身を含む): 16910208

約数和(自身を除く): 8970988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5591, 11182, 22364, 27955, 55910, 111820, 396961, 793922, 1587844, 1984805, 3969610, 7939220]

約数ペア:

[(1, 7939220), (2, 3969610), (4, 1984805), (5, 1587844), (10, 793922), (20, 396961), (71, 111820), (142, 55910), (284, 27955), (355, 22364), (710, 11182), (1420, 5591)]