8072900

素因数分解:

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

素因数の和:245

約数の個数: 72

約数和(自身を含む): 19686240

約数和(自身を除く): 11613340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 179, 205, 220, 275, 358, 410, 451, 550, 716, 820, 895, 902, 1025, 1100, 1790, 1804, 1969, 2050, 2255, 3580, 3938, 4100, 4475, 4510, 7339, 7876, 8950, 9020, 9845, 11275, 14678, 17900, 19690, 22550, 29356, 36695, 39380, 45100, 49225, 73390, 80729, 98450, 146780, 161458, 183475, 196900, 322916, 366950, 403645, 733900, 807290, 1614580, 2018225, 4036450, 8072900]

約数ペア:

[(1, 8072900), (2, 4036450), (4, 2018225), (5, 1614580), (10, 807290), (11, 733900), (20, 403645), (22, 366950), (25, 322916), (41, 196900), (44, 183475), (50, 161458), (55, 146780), (82, 98450), (100, 80729), (110, 73390), (164, 49225), (179, 45100), (205, 39380), (220, 36695), (275, 29356), (358, 22550), (410, 19690), (451, 17900), (550, 14678), (716, 11275), (820, 9845), (895, 9020), (902, 8950), (1025, 7876), (1100, 7339), (1790, 4510), (1804, 4475), (1969, 4100), (2050, 3938), (2255, 3580)]