28564880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6737}}^1$

素因数の和:6803

約数の個数: 40

約数和(自身を含む): 67676472

約数和(自身を除く): 39111592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 6737, 13474, 26948, 33685, 53896, 67370, 107792, 134740, 269480, 357061, 538960, 714122, 1428244, 1785305, 2856488, 3570610, 5712976, 7141220, 14282440, 28564880]

約数ペア:

[(1, 28564880), (2, 14282440), (4, 7141220), (5, 5712976), (8, 3570610), (10, 2856488), (16, 1785305), (20, 1428244), (40, 714122), (53, 538960), (80, 357061), (106, 269480), (212, 134740), (265, 107792), (424, 67370), (530, 53896), (848, 33685), (1060, 26948), (2120, 13474), (4240, 6737)]