28025360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31847}}^1$

素因数の和:31871

約数の個数: 40

約数和(自身を含む): 71084736

約数和(自身を除く): 43059376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31847, 63694, 127388, 159235, 254776, 318470, 350317, 509552, 636940, 700634, 1273880, 1401268, 1751585, 2547760, 2802536, 3503170, 5605072, 7006340, 14012680, 28025360]

約数ペア:

[(1, 28025360), (2, 14012680), (4, 7006340), (5, 5605072), (8, 3503170), (10, 2802536), (11, 2547760), (16, 1751585), (20, 1401268), (22, 1273880), (40, 700634), (44, 636940), (55, 509552), (80, 350317), (88, 318470), (110, 254776), (176, 159235), (220, 127388), (440, 63694), (880, 31847)]