12575780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 30898560

約数和(自身を除く): 18322780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2089, 3010, 4178, 6020, 8356, 10445, 14623, 20890, 29246, 41780, 58492, 73115, 89827, 146230, 179654, 292460, 359308, 449135, 628789, 898270, 1257578, 1796540, 2515156, 3143945, 6287890, 12575780]

約数ペア:

[(1, 12575780), (2, 6287890), (4, 3143945), (5, 2515156), (7, 1796540), (10, 1257578), (14, 898270), (20, 628789), (28, 449135), (35, 359308), (43, 292460), (70, 179654), (86, 146230), (140, 89827), (172, 73115), (215, 58492), (301, 41780), (430, 29246), (602, 20890), (860, 14623), (1204, 10445), (1505, 8356), (2089, 6020), (3010, 4178)]