28863200

素因数分解:

$2^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 72

約数和(自身を含む): 71323560

約数和(自身を除く): 42460360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 160, 200, 218, 331, 400, 436, 545, 662, 800, 872, 1090, 1324, 1655, 1744, 2180, 2648, 2725, 3310, 3488, 4360, 5296, 5450, 6620, 8275, 8720, 10592, 10900, 13240, 16550, 17440, 21800, 26480, 33100, 36079, 43600, 52960, 66200, 72158, 87200, 132400, 144316, 180395, 264800, 288632, 360790, 577264, 721580, 901975, 1154528, 1443160, 1803950, 2886320, 3607900, 5772640, 7215800, 14431600, 28863200]

約数ペア:

[(1, 28863200), (2, 14431600), (4, 7215800), (5, 5772640), (8, 3607900), (10, 2886320), (16, 1803950), (20, 1443160), (25, 1154528), (32, 901975), (40, 721580), (50, 577264), (80, 360790), (100, 288632), (109, 264800), (160, 180395), (200, 144316), (218, 132400), (331, 87200), (400, 72158), (436, 66200), (545, 52960), (662, 43600), (800, 36079), (872, 33100), (1090, 26480), (1324, 21800), (1655, 17440), (1744, 16550), (2180, 13240), (2648, 10900), (2725, 10592), (3310, 8720), (3488, 8275), (4360, 6620), (5296, 5450)]