12906340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 28268352

約数和(自身を除く): 15362012

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 163, 185, 214, 326, 370, 428, 535, 652, 740, 815, 1070, 1630, 2140, 3260, 3959, 6031, 7918, 12062, 15836, 17441, 19795, 24124, 30155, 34882, 39590, 60310, 69764, 79180, 87205, 120620, 174410, 348820, 645317, 1290634, 2581268, 3226585, 6453170, 12906340]

約数ペア:

[(1, 12906340), (2, 6453170), (4, 3226585), (5, 2581268), (10, 1290634), (20, 645317), (37, 348820), (74, 174410), (107, 120620), (148, 87205), (163, 79180), (185, 69764), (214, 60310), (326, 39590), (370, 34882), (428, 30155), (535, 24124), (652, 19795), (740, 17441), (815, 15836), (1070, 12062), (1630, 7918), (2140, 6031), (3260, 3959)]