856960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 2227680

約数和(自身を除く): 1370720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 103, 104, 128, 130, 160, 206, 208, 260, 320, 412, 416, 515, 520, 640, 824, 832, 1030, 1040, 1339, 1648, 1664, 2060, 2080, 2678, 3296, 4120, 4160, 5356, 6592, 6695, 8240, 8320, 10712, 13184, 13390, 16480, 21424, 26780, 32960, 42848, 53560, 65920, 85696, 107120, 171392, 214240, 428480, 856960]

約数ペア:

[(1, 856960), (2, 428480), (4, 214240), (5, 171392), (8, 107120), (10, 85696), (13, 65920), (16, 53560), (20, 42848), (26, 32960), (32, 26780), (40, 21424), (52, 16480), (64, 13390), (65, 13184), (80, 10712), (103, 8320), (104, 8240), (128, 6695), (130, 6592), (160, 5356), (206, 4160), (208, 4120), (260, 3296), (320, 2678), (412, 2080), (416, 2060), (515, 1664), (520, 1648), (640, 1339), (824, 1040), (832, 1030)]