7908280

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 17897040

約数和(自身を除く): 9988760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 937, 1055, 1688, 1874, 2110, 3748, 4220, 4685, 7496, 8440, 9370, 18740, 37480, 197707, 395414, 790828, 988535, 1581656, 1977070, 3954140, 7908280]

約数ペア:

[(1, 7908280), (2, 3954140), (4, 1977070), (5, 1581656), (8, 988535), (10, 790828), (20, 395414), (40, 197707), (211, 37480), (422, 18740), (844, 9370), (937, 8440), (1055, 7496), (1688, 4685), (1874, 4220), (2110, 3748)]