28858250

素因数分解:

$2^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{1297}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 54671760

約数和(自身を除く): 25813510

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 890, 1297, 2225, 2594, 4450, 6485, 11125, 12970, 22250, 32425, 64850, 115433, 162125, 230866, 324250, 577165, 1154330, 2885825, 5771650, 14429125, 28858250]

約数ペア:

[(1, 28858250), (2, 14429125), (5, 5771650), (10, 2885825), (25, 1154330), (50, 577165), (89, 324250), (125, 230866), (178, 162125), (250, 115433), (445, 64850), (890, 32425), (1297, 22250), (2225, 12970), (2594, 11125), (4450, 6485)]