205435760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{82837}}^1$

素因数の和:82881

約数の個数: 40

約数和(自身を含む): 493051776

約数和(自身を除く): 287616016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 82837, 165674, 331348, 414185, 662696, 828370, 1325392, 1656740, 2567947, 3313480, 5135894, 6626960, 10271788, 12839735, 20543576, 25679470, 41087152, 51358940, 102717880, 205435760]

約数ペア:

[(1, 205435760), (2, 102717880), (4, 51358940), (5, 41087152), (8, 25679470), (10, 20543576), (16, 12839735), (20, 10271788), (31, 6626960), (40, 5135894), (62, 3313480), (80, 2567947), (124, 1656740), (155, 1325392), (248, 828370), (310, 662696), (496, 414185), (620, 331348), (1240, 165674), (2480, 82837)]