26400880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1622

約数の個数: 80

約数和(自身を含む): 70531200

約数和(自身を除く): 44130320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1579, 1672, 2090, 3158, 3344, 4180, 6316, 7895, 8360, 12632, 15790, 16720, 17369, 25264, 30001, 31580, 34738, 60002, 63160, 69476, 86845, 120004, 126320, 138952, 150005, 173690, 240008, 277904, 300010, 330011, 347380, 480016, 600020, 660022, 694760, 1200040, 1320044, 1389520, 1650055, 2400080, 2640088, 3300110, 5280176, 6600220, 13200440, 26400880]

約数ペア:

[(1, 26400880), (2, 13200440), (4, 6600220), (5, 5280176), (8, 3300110), (10, 2640088), (11, 2400080), (16, 1650055), (19, 1389520), (20, 1320044), (22, 1200040), (38, 694760), (40, 660022), (44, 600020), (55, 480016), (76, 347380), (80, 330011), (88, 300010), (95, 277904), (110, 240008), (152, 173690), (176, 150005), (190, 138952), (209, 126320), (220, 120004), (304, 86845), (380, 69476), (418, 63160), (440, 60002), (760, 34738), (836, 31580), (880, 30001), (1045, 25264), (1520, 17369), (1579, 16720), (1672, 15790), (2090, 12632), (3158, 8360), (3344, 7895), (4180, 6316)]