425720560

素因数分解:

$2^4\times 5^1\times {\mathrm{5321507}}^1$

素因数の和:5321520

約数の個数: 20

約数和(自身を含む): 989800488

約数和(自身を除く): 564079928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5321507, 10643014, 21286028, 26607535, 42572056, 53215070, 85144112, 106430140, 212860280, 425720560]

約数ペア:

[(1, 425720560), (2, 212860280), (4, 106430140), (5, 85144112), (8, 53215070), (10, 42572056), (16, 26607535), (20, 21286028), (40, 10643014), (80, 5321507)]