12970280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4567}}^1$

素因数の和:4649

約数の個数: 32

約数和(自身を含む): 29600640

約数和(自身を除く): 16630360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4567, 9134, 18268, 22835, 36536, 45670, 91340, 182680, 324257, 648514, 1297028, 1621285, 2594056, 3242570, 6485140, 12970280]

約数ペア:

[(1, 12970280), (2, 6485140), (4, 3242570), (5, 2594056), (8, 1621285), (10, 1297028), (20, 648514), (40, 324257), (71, 182680), (142, 91340), (284, 45670), (355, 36536), (568, 22835), (710, 18268), (1420, 9134), (2840, 4567)]