2480720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2819}}^1$

素因数の和:2843

約数の個数: 40

約数和(自身を含む): 6294240

約数和(自身を除く): 3813520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2819, 5638, 11276, 14095, 22552, 28190, 31009, 45104, 56380, 62018, 112760, 124036, 155045, 225520, 248072, 310090, 496144, 620180, 1240360, 2480720]

約数ペア:

[(1, 2480720), (2, 1240360), (4, 620180), (5, 496144), (8, 310090), (10, 248072), (11, 225520), (16, 155045), (20, 124036), (22, 112760), (40, 62018), (44, 56380), (55, 45104), (80, 31009), (88, 28190), (110, 22552), (176, 14095), (220, 11276), (440, 5638), (880, 2819)]