27943960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 70308000

約数和(自身を除く): 42364040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1549, 1640, 1804, 2255, 3098, 3608, 4510, 6196, 7745, 9020, 12392, 15490, 17039, 18040, 30980, 34078, 61960, 63509, 68156, 85195, 127018, 136312, 170390, 254036, 317545, 340780, 508072, 635090, 681560, 698599, 1270180, 1397198, 2540360, 2794396, 3492995, 5588792, 6985990, 13971980, 27943960]

約数ペア:

[(1, 27943960), (2, 13971980), (4, 6985990), (5, 5588792), (8, 3492995), (10, 2794396), (11, 2540360), (20, 1397198), (22, 1270180), (40, 698599), (41, 681560), (44, 635090), (55, 508072), (82, 340780), (88, 317545), (110, 254036), (164, 170390), (205, 136312), (220, 127018), (328, 85195), (410, 68156), (440, 63509), (451, 61960), (820, 34078), (902, 30980), (1549, 18040), (1640, 17039), (1804, 15490), (2255, 12392), (3098, 9020), (3608, 7745), (4510, 6196)]