25488100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 42007580

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 29, 34, 44, 47, 50, 55, 58, 68, 85, 94, 100, 110, 116, 145, 170, 187, 188, 220, 235, 275, 290, 319, 340, 374, 425, 470, 493, 517, 550, 580, 638, 725, 748, 799, 850, 935, 940, 986, 1034, 1100, 1175, 1276, 1363, 1450, 1595, 1598, 1700, 1870, 1972, 2068, 2350, 2465, 2585, 2726, 2900, 3190, 3196, 3740, 3995, 4675, 4700, 4930, 5170, 5423, 5452, 6380, 6815, 7975, 7990, 8789, 9350, 9860, 10340, 10846, 12325, 12925, 13630, 14993, 15950, 15980, 17578, 18700, 19975, 21692, 23171, 24650, 25850, 27115, 27260, 29986, 31900, 34075, 35156, 39950, 43945, 46342, 49300, 51700, 54230, 59972, 68150, 74965, 79900, 87890, 92684, 108460, 115855, 135575, 136300, 149930, 175780, 219725, 231710, 254881, 271150, 299860, 374825, 439450, 463420, 509762, 542300, 579275, 749650, 878900, 1019524, 1158550, 1274405, 1499300, 2317100, 2548810, 5097620, 6372025, 12744050, 25488100]

約数ペア:

[(1, 25488100), (2, 12744050), (4, 6372025), (5, 5097620), (10, 2548810), (11, 2317100), (17, 1499300), (20, 1274405), (22, 1158550), (25, 1019524), (29, 878900), (34, 749650), (44, 579275), (47, 542300), (50, 509762), (55, 463420), (58, 439450), (68, 374825), (85, 299860), (94, 271150), (100, 254881), (110, 231710), (116, 219725), (145, 175780), (170, 149930), (187, 136300), (188, 135575), (220, 115855), (235, 108460), (275, 92684), (290, 87890), (319, 79900), (340, 74965), (374, 68150), (425, 59972), (470, 54230), (493, 51700), (517, 49300), (550, 46342), (580, 43945), (638, 39950), (725, 35156), (748, 34075), (799, 31900), (850, 29986), (935, 27260), (940, 27115), (986, 25850), (1034, 24650), (1100, 23171), (1175, 21692), (1276, 19975), (1363, 18700), (1450, 17578), (1595, 15980), (1598, 15950), (1700, 14993), (1870, 13630), (1972, 12925), (2068, 12325), (2350, 10846), (2465, 10340), (2585, 9860), (2726, 9350), (2900, 8789), (3190, 7990), (3196, 7975), (3740, 6815), (3995, 6380), (4675, 5452), (4700, 5423), (4930, 5170)]