12139280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3701}}^1$

素因数の和:3755

約数の個数: 40

約数和(自身を含む): 28920024

約数和(自身を除く): 16780744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3701, 7402, 14804, 18505, 29608, 37010, 59216, 74020, 148040, 151741, 296080, 303482, 606964, 758705, 1213928, 1517410, 2427856, 3034820, 6069640, 12139280]

約数ペア:

[(1, 12139280), (2, 6069640), (4, 3034820), (5, 2427856), (8, 1517410), (10, 1213928), (16, 758705), (20, 606964), (40, 303482), (41, 296080), (80, 151741), (82, 148040), (164, 74020), (205, 59216), (328, 37010), (410, 29608), (656, 18505), (820, 14804), (1640, 7402), (3280, 3701)]