82142800

素因数分解:

$2^4\times 5^2\times {\mathrm{205357}}^1$

素因数の和:205375

約数の個数: 30

約数和(自身を含む): 197349038

約数和(自身を除く): 115206238

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 205357, 410714, 821428, 1026785, 1642856, 2053570, 3285712, 4107140, 5133925, 8214280, 10267850, 16428560, 20535700, 41071400, 82142800]

約数ペア:

[(1, 82142800), (2, 41071400), (4, 20535700), (5, 16428560), (8, 10267850), (10, 8214280), (16, 5133925), (20, 4107140), (25, 3285712), (40, 2053570), (50, 1642856), (80, 1026785), (100, 821428), (200, 410714), (400, 205357)]