8428750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:646

約数の個数: 40

約数和(自身を含む): 17263224

約数和(自身を除く): 8834474

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 613, 625, 1226, 1250, 1375, 2750, 3065, 6130, 6743, 6875, 13486, 13750, 15325, 30650, 33715, 67430, 76625, 153250, 168575, 337150, 383125, 766250, 842875, 1685750, 4214375, 8428750]

約数ペア:

[(1, 8428750), (2, 4214375), (5, 1685750), (10, 842875), (11, 766250), (22, 383125), (25, 337150), (50, 168575), (55, 153250), (110, 76625), (125, 67430), (250, 33715), (275, 30650), (550, 15325), (613, 13750), (625, 13486), (1226, 6875), (1250, 6743), (1375, 6130), (2750, 3065)]