28012750

素因数分解:

$2^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 53071200

約数和(自身を除く): 25058450

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 890, 1259, 2225, 2518, 4450, 6295, 11125, 12590, 22250, 31475, 62950, 112051, 157375, 224102, 314750, 560255, 1120510, 2801275, 5602550, 14006375, 28012750]

約数ペア:

[(1, 28012750), (2, 14006375), (5, 5602550), (10, 2801275), (25, 1120510), (50, 560255), (89, 314750), (125, 224102), (178, 157375), (250, 112051), (445, 62950), (890, 31475), (1259, 22250), (2225, 12590), (2518, 11125), (4450, 6295)]