12425620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1721}}^1$

素因数の和:1768

約数の個数: 36

約数和(自身を含む): 27555444

約数和(自身を除く): 15129824

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1721, 1805, 3442, 3610, 6884, 7220, 8605, 17210, 32699, 34420, 65398, 130796, 163495, 326990, 621281, 653980, 1242562, 2485124, 3106405, 6212810, 12425620]

約数ペア:

[(1, 12425620), (2, 6212810), (4, 3106405), (5, 2485124), (10, 1242562), (19, 653980), (20, 621281), (38, 326990), (76, 163495), (95, 130796), (190, 65398), (361, 34420), (380, 32699), (722, 17210), (1444, 8605), (1721, 7220), (1805, 6884), (3442, 3610)]