8126387840

素因数分解:

$2^7\times 5^1\times {\mathrm{709}}^1\times {\mathrm{17909}}^1$

素因数の和:18637

約数の個数: 64

約数和(自身を含む): 19455633000

約数和(自身を除く): 11329245160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 709, 1418, 2836, 3545, 5672, 7090, 11344, 14180, 17909, 22688, 28360, 35818, 45376, 56720, 71636, 89545, 90752, 113440, 143272, 179090, 226880, 286544, 358180, 453760, 573088, 716360, 1146176, 1432720, 2292352, 2865440, 5730880, 11461760, 12697481, 25394962, 50789924, 63487405, 101579848, 126974810, 203159696, 253949620, 406319392, 507899240, 812638784, 1015798480, 1625277568, 2031596960, 4063193920, 8126387840]

約数ペア:

[(1, 8126387840), (2, 4063193920), (4, 2031596960), (5, 1625277568), (8, 1015798480), (10, 812638784), (16, 507899240), (20, 406319392), (32, 253949620), (40, 203159696), (64, 126974810), (80, 101579848), (128, 63487405), (160, 50789924), (320, 25394962), (640, 12697481), (709, 11461760), (1418, 5730880), (2836, 2865440), (3545, 2292352), (5672, 1432720), (7090, 1146176), (11344, 716360), (14180, 573088), (17909, 453760), (22688, 358180), (28360, 286544), (35818, 226880), (45376, 179090), (56720, 143272), (71636, 113440), (89545, 90752)]