12640210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 25017984

約数和(自身を除く): 12377774

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 151, 302, 755, 761, 1510, 1522, 1661, 3322, 3805, 7610, 8305, 8371, 16610, 16742, 41855, 83710, 114911, 229822, 574555, 1149110, 1264021, 2528042, 6320105, 12640210]

約数ペア:

[(1, 12640210), (2, 6320105), (5, 2528042), (10, 1264021), (11, 1149110), (22, 574555), (55, 229822), (110, 114911), (151, 83710), (302, 41855), (755, 16742), (761, 16610), (1510, 8371), (1522, 8305), (1661, 7610), (3322, 3805)]