81067840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36191}}^1$

素因数の和:36215

約数の個数: 56

約数和(自身を含む): 220626432

約数和(自身を除く): 139558592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36191, 72382, 144764, 180955, 253337, 289528, 361910, 506674, 579056, 723820, 1013348, 1158112, 1266685, 1447640, 2026696, 2316224, 2533370, 2895280, 4053392, 5066740, 5790560, 8106784, 10133480, 11581120, 16213568, 20266960, 40533920, 81067840]

約数ペア:

[(1, 81067840), (2, 40533920), (4, 20266960), (5, 16213568), (7, 11581120), (8, 10133480), (10, 8106784), (14, 5790560), (16, 5066740), (20, 4053392), (28, 2895280), (32, 2533370), (35, 2316224), (40, 2026696), (56, 1447640), (64, 1266685), (70, 1158112), (80, 1013348), (112, 723820), (140, 579056), (160, 506674), (224, 361910), (280, 289528), (320, 253337), (448, 180955), (560, 144764), (1120, 72382), (2240, 36191)]