12630820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 28607040

約数和(自身を除く): 15976220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 773, 817, 860, 1546, 1634, 3092, 3268, 3865, 4085, 7730, 8170, 14687, 15460, 16340, 29374, 33239, 58748, 66478, 73435, 132956, 146870, 166195, 293740, 332390, 631541, 664780, 1263082, 2526164, 3157705, 6315410, 12630820]

約数ペア:

[(1, 12630820), (2, 6315410), (4, 3157705), (5, 2526164), (10, 1263082), (19, 664780), (20, 631541), (38, 332390), (43, 293740), (76, 166195), (86, 146870), (95, 132956), (172, 73435), (190, 66478), (215, 58748), (380, 33239), (430, 29374), (773, 16340), (817, 15460), (860, 14687), (1546, 8170), (1634, 7730), (3092, 4085), (3268, 3865)]