3199120

素因数分解:

$2^4\times 5^1\times {\mathrm{39989}}^1$

素因数の和:40002

約数の個数: 20

約数和(自身を含む): 7438140

約数和(自身を除く): 4239020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 39989, 79978, 159956, 199945, 319912, 399890, 639824, 799780, 1599560, 3199120]

約数ペア:

[(1, 3199120), (2, 1599560), (4, 799780), (5, 639824), (8, 399890), (10, 319912), (16, 199945), (20, 159956), (40, 79978), (80, 39989)]