20182250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 22274710

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 125, 179, 205, 250, 275, 358, 410, 451, 550, 895, 902, 1025, 1375, 1790, 1969, 2050, 2255, 2750, 3938, 4475, 4510, 5125, 7339, 8950, 9845, 10250, 11275, 14678, 19690, 22375, 22550, 36695, 44750, 49225, 56375, 73390, 80729, 98450, 112750, 161458, 183475, 246125, 366950, 403645, 492250, 807290, 917375, 1834750, 2018225, 4036450, 10091125, 20182250]

約数ペア:

[(1, 20182250), (2, 10091125), (5, 4036450), (10, 2018225), (11, 1834750), (22, 917375), (25, 807290), (41, 492250), (50, 403645), (55, 366950), (82, 246125), (110, 183475), (125, 161458), (179, 112750), (205, 98450), (250, 80729), (275, 73390), (358, 56375), (410, 49225), (451, 44750), (550, 36695), (895, 22550), (902, 22375), (1025, 19690), (1375, 14678), (1790, 11275), (1969, 10250), (2050, 9845), (2255, 8950), (2750, 7339), (3938, 5125), (4475, 4510)]