80417440

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7079}}^1$

素因数の和:7165

約数の個数: 48

約数和(自身を含む): 192689280

約数和(自身を除く): 112271840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 7079, 11360, 14158, 28316, 35395, 56632, 70790, 113264, 141580, 226528, 283160, 502609, 566320, 1005218, 1132640, 2010436, 2513045, 4020872, 5026090, 8041744, 10052180, 16083488, 20104360, 40208720, 80417440]

約数ペア:

[(1, 80417440), (2, 40208720), (4, 20104360), (5, 16083488), (8, 10052180), (10, 8041744), (16, 5026090), (20, 4020872), (32, 2513045), (40, 2010436), (71, 1132640), (80, 1005218), (142, 566320), (160, 502609), (284, 283160), (355, 226528), (568, 141580), (710, 113264), (1136, 70790), (1420, 56632), (2272, 35395), (2840, 28316), (5680, 14158), (7079, 11360)]