89721520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{160217}}^1$

素因数の和:160237

約数の個数: 40

約数和(自身を含む): 238404384

約数和(自身を除く): 148682864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 160217, 320434, 640868, 801085, 1121519, 1281736, 1602170, 2243038, 2563472, 3204340, 4486076, 5607595, 6408680, 8972152, 11215190, 12817360, 17944304, 22430380, 44860760, 89721520]

約数ペア:

[(1, 89721520), (2, 44860760), (4, 22430380), (5, 17944304), (7, 12817360), (8, 11215190), (10, 8972152), (14, 6408680), (16, 5607595), (20, 4486076), (28, 3204340), (35, 2563472), (40, 2243038), (56, 1602170), (70, 1281736), (80, 1121519), (112, 801085), (140, 640868), (280, 320434), (560, 160217)]