5289440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2571

約数の個数: 48

約数和(自身を含む): 13462848

約数和(自身を除く): 8173408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 2543, 5086, 10172, 12715, 20344, 25430, 33059, 40688, 50860, 66118, 81376, 101720, 132236, 165295, 203440, 264472, 330590, 406880, 528944, 661180, 1057888, 1322360, 2644720, 5289440]

約数ペア:

[(1, 5289440), (2, 2644720), (4, 1322360), (5, 1057888), (8, 661180), (10, 528944), (13, 406880), (16, 330590), (20, 264472), (26, 203440), (32, 165295), (40, 132236), (52, 101720), (65, 81376), (80, 66118), (104, 50860), (130, 40688), (160, 33059), (208, 25430), (260, 20344), (416, 12715), (520, 10172), (1040, 5086), (2080, 2543)]