12807140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33703}}^1$

素因数の和:33731

約数の個数: 24

約数和(自身を含む): 28311360

約数和(自身を除く): 15504220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 33703, 67406, 134812, 168515, 337030, 640357, 674060, 1280714, 2561428, 3201785, 6403570, 12807140]

約数ペア:

[(1, 12807140), (2, 6403570), (4, 3201785), (5, 2561428), (10, 1280714), (19, 674060), (20, 640357), (38, 337030), (76, 168515), (95, 134812), (190, 67406), (380, 33703)]