8067280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7757}}^1$

素因数の和:7783

約数の個数: 40

約数和(自身を含む): 20201832

約数和(自身を除く): 12134552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7757, 15514, 31028, 38785, 62056, 77570, 100841, 124112, 155140, 201682, 310280, 403364, 504205, 620560, 806728, 1008410, 1613456, 2016820, 4033640, 8067280]

約数ペア:

[(1, 8067280), (2, 4033640), (4, 2016820), (5, 1613456), (8, 1008410), (10, 806728), (13, 620560), (16, 504205), (20, 403364), (26, 310280), (40, 201682), (52, 155140), (65, 124112), (80, 100841), (104, 77570), (130, 62056), (208, 38785), (260, 31028), (520, 15514), (1040, 7757)]