201939520

素因数分解:

$2^6\times 5^1\times {\mathrm{631061}}^1$

素因数の和:631078

約数の個数: 28

約数和(自身を含む): 480869244

約数和(自身を除く): 278929724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 631061, 1262122, 2524244, 3155305, 5048488, 6310610, 10096976, 12621220, 20193952, 25242440, 40387904, 50484880, 100969760, 201939520]

約数ペア:

[(1, 201939520), (2, 100969760), (4, 50484880), (5, 40387904), (8, 25242440), (10, 20193952), (16, 12621220), (20, 10096976), (32, 6310610), (40, 5048488), (64, 3155305), (80, 2524244), (160, 1262122), (320, 631061)]