201521768440

素因数分解:

$2^3\times 5^1\times {\mathrm{6151}}^1\times {\mathrm{819061}}^1$

素因数の和:825223

約数の個数: 32

約数和(自身を含む): 453498248160

約数和(自身を除く): 251976479720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6151, 12302, 24604, 30755, 49208, 61510, 123020, 246040, 819061, 1638122, 3276244, 4095305, 6552488, 8190610, 16381220, 32762440, 5038044211, 10076088422, 20152176844, 25190221055, 40304353688, 50380442110, 100760884220, 201521768440]

約数ペア:

[(1, 201521768440), (2, 100760884220), (4, 50380442110), (5, 40304353688), (8, 25190221055), (10, 20152176844), (20, 10076088422), (40, 5038044211), (6151, 32762440), (12302, 16381220), (24604, 8190610), (30755, 6552488), (49208, 4095305), (61510, 3276244), (123020, 1638122), (246040, 819061)]