40213920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 127612800

約数和(自身を除く): 87398880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 199, 240, 398, 421, 480, 597, 796, 842, 995, 1194, 1263, 1592, 1684, 1990, 2105, 2388, 2526, 2985, 3184, 3368, 3980, 4210, 4776, 5052, 5970, 6315, 6368, 6736, 7960, 8420, 9552, 10104, 11940, 12630, 13472, 15920, 16840, 19104, 20208, 23880, 25260, 31840, 33680, 40416, 47760, 50520, 67360, 83779, 95520, 101040, 167558, 202080, 251337, 335116, 418895, 502674, 670232, 837790, 1005348, 1256685, 1340464, 1675580, 2010696, 2513370, 2680928, 3351160, 4021392, 5026740, 6702320, 8042784, 10053480, 13404640, 20106960, 40213920]

約数ペア:

[(1, 40213920), (2, 20106960), (3, 13404640), (4, 10053480), (5, 8042784), (6, 6702320), (8, 5026740), (10, 4021392), (12, 3351160), (15, 2680928), (16, 2513370), (20, 2010696), (24, 1675580), (30, 1340464), (32, 1256685), (40, 1005348), (48, 837790), (60, 670232), (80, 502674), (96, 418895), (120, 335116), (160, 251337), (199, 202080), (240, 167558), (398, 101040), (421, 95520), (480, 83779), (597, 67360), (796, 50520), (842, 47760), (995, 40416), (1194, 33680), (1263, 31840), (1592, 25260), (1684, 23880), (1990, 20208), (2105, 19104), (2388, 16840), (2526, 15920), (2985, 13472), (3184, 12630), (3368, 11940), (3980, 10104), (4210, 9552), (4776, 8420), (5052, 7960), (5970, 6736), (6315, 6368)]