28884880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2843}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 67709952

約数和(自身を除く): 38825072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 2843, 5080, 5686, 10160, 11372, 14215, 22744, 28430, 45488, 56860, 113720, 227440, 361061, 722122, 1444244, 1805305, 2888488, 3610610, 5776976, 7221220, 14442440, 28884880]

約数ペア:

[(1, 28884880), (2, 14442440), (4, 7221220), (5, 5776976), (8, 3610610), (10, 2888488), (16, 1805305), (20, 1444244), (40, 722122), (80, 361061), (127, 227440), (254, 113720), (508, 56860), (635, 45488), (1016, 28430), (1270, 22744), (2032, 14215), (2540, 11372), (2843, 10160), (5080, 5686)]