80012140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{701}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 181621440

約数和(自身を除く): 101609300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 701, 878, 1402, 1756, 2195, 2804, 3505, 4390, 5707, 7010, 8780, 9113, 11414, 14020, 18226, 22828, 28535, 36452, 45565, 57070, 91130, 114140, 182260, 307739, 615478, 1230956, 1538695, 3077390, 4000607, 6154780, 8001214, 16002428, 20003035, 40006070, 80012140]

約数ペア:

[(1, 80012140), (2, 40006070), (4, 20003035), (5, 16002428), (10, 8001214), (13, 6154780), (20, 4000607), (26, 3077390), (52, 1538695), (65, 1230956), (130, 615478), (260, 307739), (439, 182260), (701, 114140), (878, 91130), (1402, 57070), (1756, 45565), (2195, 36452), (2804, 28535), (3505, 22828), (4390, 18226), (5707, 14020), (7010, 11414), (8780, 9113)]