201260720

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6151}}^1$

素因数の和:6573

約数の個数: 40

約数和(自身を含む): 469151520

約数和(自身を除く): 267890800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6151, 6544, 8180, 12302, 16360, 24604, 30755, 32720, 49208, 61510, 98416, 123020, 246040, 492080, 2515759, 5031518, 10063036, 12578795, 20126072, 25157590, 40252144, 50315180, 100630360, 201260720]

約数ペア:

[(1, 201260720), (2, 100630360), (4, 50315180), (5, 40252144), (8, 25157590), (10, 20126072), (16, 12578795), (20, 10063036), (40, 5031518), (80, 2515759), (409, 492080), (818, 246040), (1636, 123020), (2045, 98416), (3272, 61510), (4090, 49208), (6151, 32720), (6544, 30755), (8180, 24604), (12302, 16360)]