12760220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 17431396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 1871, 3410, 3742, 6820, 7484, 9355, 18710, 20581, 37420, 41162, 58001, 82324, 102905, 116002, 205810, 232004, 290005, 411620, 580010, 638011, 1160020, 1276022, 2552044, 3190055, 6380110, 12760220]

約数ペア:

[(1, 12760220), (2, 6380110), (4, 3190055), (5, 2552044), (10, 1276022), (11, 1160020), (20, 638011), (22, 580010), (31, 411620), (44, 290005), (55, 232004), (62, 205810), (110, 116002), (124, 102905), (155, 82324), (220, 58001), (310, 41162), (341, 37420), (620, 20581), (682, 18710), (1364, 9355), (1705, 7484), (1871, 6820), (3410, 3742)]