201897320

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{3137}}^1$

素因数の和:4757

約数の個数: 32

約数和(自身を含む): 454696200

約数和(自身を除く): 252798880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3137, 3218, 6274, 6436, 8045, 12548, 12872, 15685, 16090, 25096, 31370, 32180, 62740, 64360, 125480, 5047433, 10094866, 20189732, 25237165, 40379464, 50474330, 100948660, 201897320]

約数ペア:

[(1, 201897320), (2, 100948660), (4, 50474330), (5, 40379464), (8, 25237165), (10, 20189732), (20, 10094866), (40, 5047433), (1609, 125480), (3137, 64360), (3218, 62740), (6274, 32180), (6436, 31370), (8045, 25096), (12548, 16090), (12872, 15685)]