99464020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{15991}}^1$

素因数の和:16311

約数の個数: 24

約数和(自身を含む): 209559168

約数和(自身を除く): 110095148

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 15991, 31982, 63964, 79955, 159910, 319820, 4973201, 9946402, 19892804, 24866005, 49732010, 99464020]

約数ペア:

[(1, 99464020), (2, 49732010), (4, 24866005), (5, 19892804), (10, 9946402), (20, 4973201), (311, 319820), (622, 159910), (1244, 79955), (1555, 63964), (3110, 31982), (6220, 15991)]