15539120

素因数分解:

$2^4\times 5^1\times {\mathrm{194239}}^1$

素因数の和:194252

約数の個数: 20

約数和(自身を含む): 36128640

約数和(自身を除く): 20589520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 194239, 388478, 776956, 971195, 1553912, 1942390, 3107824, 3884780, 7769560, 15539120]

約数ペア:

[(1, 15539120), (2, 7769560), (4, 3884780), (5, 3107824), (8, 1942390), (10, 1553912), (16, 971195), (20, 776956), (40, 388478), (80, 194239)]