13358320

素因数分解:

$2^4\times 5^1\times {\mathrm{166979}}^1$

素因数の和:166992

約数の個数: 20

約数和(自身を含む): 31058280

約数和(自身を除く): 17699960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166979, 333958, 667916, 834895, 1335832, 1669790, 2671664, 3339580, 6679160, 13358320]

約数ペア:

[(1, 13358320), (2, 6679160), (4, 3339580), (5, 2671664), (8, 1669790), (10, 1335832), (16, 834895), (20, 667916), (40, 333958), (80, 166979)]