34212520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19891}}^1$

素因数の和:19945

約数の個数: 32

約数和(自身を含む): 78772320

約数和(自身を除く): 44559800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 19891, 39782, 79564, 99455, 159128, 198910, 397820, 795640, 855313, 1710626, 3421252, 4276565, 6842504, 8553130, 17106260, 34212520]

約数ペア:

[(1, 34212520), (2, 17106260), (4, 8553130), (5, 6842504), (8, 4276565), (10, 3421252), (20, 1710626), (40, 855313), (43, 795640), (86, 397820), (172, 198910), (215, 159128), (344, 99455), (430, 79564), (860, 39782), (1720, 19891)]