212970880

素因数分解:

$2^7\times 5^1\times {\mathrm{332767}}^1$

素因数の和:332786

約数の個数: 32

約数和(自身を含む): 509135040

約数和(自身を除く): 296164160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 332767, 665534, 1331068, 1663835, 2662136, 3327670, 5324272, 6655340, 10648544, 13310680, 21297088, 26621360, 42594176, 53242720, 106485440, 212970880]

約数ペア:

[(1, 212970880), (2, 106485440), (4, 53242720), (5, 42594176), (8, 26621360), (10, 21297088), (16, 13310680), (20, 10648544), (32, 6655340), (40, 5324272), (64, 3327670), (80, 2662136), (128, 1663835), (160, 1331068), (320, 665534), (640, 332767)]