8515120

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 19949616

約数和(自身を除く): 11434496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 653, 815, 1304, 1306, 1630, 2608, 2612, 3260, 3265, 5224, 6520, 6530, 10448, 13040, 13060, 26120, 52240, 106439, 212878, 425756, 532195, 851512, 1064390, 1703024, 2128780, 4257560, 8515120]

約数ペア:

[(1, 8515120), (2, 4257560), (4, 2128780), (5, 1703024), (8, 1064390), (10, 851512), (16, 532195), (20, 425756), (40, 212878), (80, 106439), (163, 52240), (326, 26120), (652, 13060), (653, 13040), (815, 10448), (1304, 6530), (1306, 6520), (1630, 5224), (2608, 3265), (2612, 3260)]