1657202320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{213557}}^1$

素因数の和:213667

約数の個数: 40

約数和(自身を含む): 3892735224

約数和(自身を除く): 2235532904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 213557, 427114, 854228, 1067785, 1708456, 2135570, 3416912, 4271140, 8542280, 17084560, 20715029, 41430058, 82860116, 103575145, 165720232, 207150290, 331440464, 414300580, 828601160, 1657202320]

約数ペア:

[(1, 1657202320), (2, 828601160), (4, 414300580), (5, 331440464), (8, 207150290), (10, 165720232), (16, 103575145), (20, 82860116), (40, 41430058), (80, 20715029), (97, 17084560), (194, 8542280), (388, 4271140), (485, 3416912), (776, 2135570), (970, 1708456), (1552, 1067785), (1940, 854228), (3880, 427114), (7760, 213557)]