31482320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4057}}^1$

素因数の和:4167

約数の個数: 40

約数和(自身を含む): 73969224

約数和(自身を除く): 42486904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 4057, 7760, 8114, 16228, 20285, 32456, 40570, 64912, 81140, 162280, 324560, 393529, 787058, 1574116, 1967645, 3148232, 3935290, 6296464, 7870580, 15741160, 31482320]

約数ペア:

[(1, 31482320), (2, 15741160), (4, 7870580), (5, 6296464), (8, 3935290), (10, 3148232), (16, 1967645), (20, 1574116), (40, 787058), (80, 393529), (97, 324560), (194, 162280), (388, 81140), (485, 64912), (776, 40570), (970, 32456), (1552, 20285), (1940, 16228), (3880, 8114), (4057, 7760)]