26178020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{463}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 60334848

約数和(自身を除く): 34156828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 463, 514, 926, 1028, 1285, 1852, 2315, 2570, 2827, 4630, 5093, 5140, 5654, 9260, 10186, 11308, 14135, 20372, 25465, 28270, 50930, 56540, 101860, 118991, 237982, 475964, 594955, 1189910, 1308901, 2379820, 2617802, 5235604, 6544505, 13089010, 26178020]

約数ペア:

[(1, 26178020), (2, 13089010), (4, 6544505), (5, 5235604), (10, 2617802), (11, 2379820), (20, 1308901), (22, 1189910), (44, 594955), (55, 475964), (110, 237982), (220, 118991), (257, 101860), (463, 56540), (514, 50930), (926, 28270), (1028, 25465), (1285, 20372), (1852, 14135), (2315, 11308), (2570, 10186), (2827, 9260), (4630, 5654), (5093, 5140)]