99320720

素因数分解:

$2^4\times 5^1\times {\mathrm{1241509}}^1$

素因数の和:1241522

約数の個数: 20

約数和(自身を含む): 230920860

約数和(自身を除く): 131600140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1241509, 2483018, 4966036, 6207545, 9932072, 12415090, 19864144, 24830180, 49660360, 99320720]

約数ペア:

[(1, 99320720), (2, 49660360), (4, 24830180), (5, 19864144), (8, 12415090), (10, 9932072), (16, 6207545), (20, 4966036), (40, 2483018), (80, 1241509)]