12904120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8719}}^1$

素因数の和:8767

約数の個数: 32

約数和(自身を含む): 29822400

約数和(自身を除く): 16918280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 8719, 17438, 34876, 43595, 69752, 87190, 174380, 322603, 348760, 645206, 1290412, 1613015, 2580824, 3226030, 6452060, 12904120]

約数ペア:

[(1, 12904120), (2, 6452060), (4, 3226030), (5, 2580824), (8, 1613015), (10, 1290412), (20, 645206), (37, 348760), (40, 322603), (74, 174380), (148, 87190), (185, 69752), (296, 43595), (370, 34876), (740, 17438), (1480, 8719)]