210109520

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{31643}}^1$

素因数の和:31739

約数の個数: 40

約数和(自身を含む): 494405856

約数和(自身を除く): 284296336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 31643, 63286, 126572, 158215, 253144, 316430, 506288, 632860, 1265720, 2531440, 2626369, 5252738, 10505476, 13131845, 21010952, 26263690, 42021904, 52527380, 105054760, 210109520]

約数ペア:

[(1, 210109520), (2, 105054760), (4, 52527380), (5, 42021904), (8, 26263690), (10, 21010952), (16, 13131845), (20, 10505476), (40, 5252738), (80, 2626369), (83, 2531440), (166, 1265720), (332, 632860), (415, 506288), (664, 316430), (830, 253144), (1328, 158215), (1660, 126572), (3320, 63286), (6640, 31643)]