996860420

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{49993}}^1$

素因数の和:50999

約数の個数: 24

約数和(自身を含む): 2095548504

約数和(自身を除く): 1098688084

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 19940, 49993, 99986, 199972, 249965, 499930, 999860, 49843021, 99686042, 199372084, 249215105, 498430210, 996860420]

約数ペア:

[(1, 996860420), (2, 498430210), (4, 249215105), (5, 199372084), (10, 99686042), (20, 49843021), (997, 999860), (1994, 499930), (3988, 249965), (4985, 199972), (9970, 99986), (19940, 49993)]