11998920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{99991}}^1$

素因数の和:100005

約数の個数: 32

約数和(自身を含む): 35997120

約数和(自身を除く): 23998200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 99991, 199982, 299973, 399964, 499955, 599946, 799928, 999910, 1199892, 1499865, 1999820, 2399784, 2999730, 3999640, 5999460, 11998920]

約数ペア:

[(1, 11998920), (2, 5999460), (3, 3999640), (4, 2999730), (5, 2399784), (6, 1999820), (8, 1499865), (10, 1199892), (12, 999910), (15, 799928), (20, 599946), (24, 499955), (30, 399964), (40, 299973), (60, 199982), (120, 99991)]