30125240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3823}}^1$

素因数の和:4031

約数の個数: 32

約数和(自身を含む): 68143680

約数和(自身を除く): 38018440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3823, 3940, 7646, 7880, 15292, 19115, 30584, 38230, 76460, 152920, 753131, 1506262, 3012524, 3765655, 6025048, 7531310, 15062620, 30125240]

約数ペア:

[(1, 30125240), (2, 15062620), (4, 7531310), (5, 6025048), (8, 3765655), (10, 3012524), (20, 1506262), (40, 753131), (197, 152920), (394, 76460), (788, 38230), (985, 30584), (1576, 19115), (1970, 15292), (3823, 7880), (3940, 7646)]