12619660

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4019}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 26676720

約数和(自身を除く): 14057060

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4019, 8038, 16076, 20095, 40190, 80380, 630983, 1261966, 2523932, 3154915, 6309830, 12619660]

約数ペア:

[(1, 12619660), (2, 6309830), (4, 3154915), (5, 2523932), (10, 1261966), (20, 630983), (157, 80380), (314, 40190), (628, 20095), (785, 16076), (1570, 8038), (3140, 4019)]