13200440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 34128000

約数和(自身を除く): 20927560

約数列:

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

約数ペア:

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