81157250

素因数分解:

$2^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{6907}}^1$

素因数の和:6971

約数の個数: 32

約数和(自身を含む): 155181312

約数和(自身を除く): 74024062

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 125, 235, 250, 470, 1175, 2350, 5875, 6907, 11750, 13814, 34535, 69070, 172675, 324629, 345350, 649258, 863375, 1623145, 1726750, 3246290, 8115725, 16231450, 40578625, 81157250]

約数ペア:

[(1, 81157250), (2, 40578625), (5, 16231450), (10, 8115725), (25, 3246290), (47, 1726750), (50, 1623145), (94, 863375), (125, 649258), (235, 345350), (250, 324629), (470, 172675), (1175, 69070), (2350, 34535), (5875, 13814), (6907, 11750)]