102253880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28723}}^1$

素因数の和:28823

約数の個数: 32

約数和(自身を含む): 232664400

約数和(自身を除く): 130410520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 28723, 57446, 114892, 143615, 229784, 287230, 574460, 1148920, 2556347, 5112694, 10225388, 12781735, 20450776, 25563470, 51126940, 102253880]

約数ペア:

[(1, 102253880), (2, 51126940), (4, 25563470), (5, 20450776), (8, 12781735), (10, 10225388), (20, 5112694), (40, 2556347), (89, 1148920), (178, 574460), (356, 287230), (445, 229784), (712, 143615), (890, 114892), (1780, 57446), (3560, 28723)]