845341720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{2521}}^1$

素因数の和:2716

約数の個数: 64

約数和(自身を含む): 1944764640

約数和(自身を除く): 1099422920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 101, 166, 202, 332, 404, 415, 505, 664, 808, 830, 1010, 1660, 2020, 2521, 3320, 4040, 5042, 8383, 10084, 12605, 16766, 20168, 25210, 33532, 41915, 50420, 67064, 83830, 100840, 167660, 209243, 254621, 335320, 418486, 509242, 836972, 1018484, 1046215, 1273105, 1673944, 2036968, 2092430, 2546210, 4184860, 5092420, 8369720, 10184840, 21133543, 42267086, 84534172, 105667715, 169068344, 211335430, 422670860, 845341720]

約数ペア:

[(1, 845341720), (2, 422670860), (4, 211335430), (5, 169068344), (8, 105667715), (10, 84534172), (20, 42267086), (40, 21133543), (83, 10184840), (101, 8369720), (166, 5092420), (202, 4184860), (332, 2546210), (404, 2092430), (415, 2036968), (505, 1673944), (664, 1273105), (808, 1046215), (830, 1018484), (1010, 836972), (1660, 509242), (2020, 418486), (2521, 335320), (3320, 254621), (4040, 209243), (5042, 167660), (8383, 100840), (10084, 83830), (12605, 67064), (16766, 50420), (20168, 41915), (25210, 33532)]