160204520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{81737}}^1$

素因数の和:81762

約数の個数: 48

約数和(自身を含む): 419315940

約数和(自身を除く): 259111420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 81737, 163474, 326948, 408685, 572159, 653896, 817370, 1144318, 1634740, 2288636, 2860795, 3269480, 4005113, 4577272, 5721590, 8010226, 11443180, 16020452, 20025565, 22886360, 32040904, 40051130, 80102260, 160204520]

約数ペア:

[(1, 160204520), (2, 80102260), (4, 40051130), (5, 32040904), (7, 22886360), (8, 20025565), (10, 16020452), (14, 11443180), (20, 8010226), (28, 5721590), (35, 4577272), (40, 4005113), (49, 3269480), (56, 2860795), (70, 2288636), (98, 1634740), (140, 1144318), (196, 817370), (245, 653896), (280, 572159), (392, 408685), (490, 326948), (980, 163474), (1960, 81737)]