19951480225

素因数分解:

$5^2\times {\mathrm{241}}^1\times {\mathrm{1237}}^1\times {\mathrm{2677}}^1$

素因数の和:4165

約数の個数: 24

約数和(自身を含む): 24871860728

約数和(自身を除く): 4920380503

約数列:

[1, 5, 25, 241, 1205, 1237, 2677, 6025, 6185, 13385, 30925, 66925, 298117, 645157, 1490585, 3225785, 3311449, 7452925, 16128925, 16557245, 82786225, 798059209, 3990296045, 19951480225]

約数ペア:

[(1, 19951480225), (5, 3990296045), (25, 798059209), (241, 82786225), (1205, 16557245), (1237, 16128925), (2677, 7452925), (6025, 3311449), (6185, 3225785), (13385, 1490585), (30925, 645157), (66925, 298117)]