64124500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 155675520

約数和(自身を除く): 91551020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 125, 131, 178, 220, 250, 262, 275, 356, 445, 500, 524, 550, 655, 890, 979, 1100, 1310, 1375, 1441, 1780, 1958, 2225, 2620, 2750, 2882, 3275, 3916, 4450, 4895, 5500, 5764, 6550, 7205, 8900, 9790, 11125, 11659, 13100, 14410, 16375, 19580, 22250, 23318, 24475, 28820, 32750, 36025, 44500, 46636, 48950, 58295, 65500, 72050, 97900, 116590, 122375, 128249, 144100, 180125, 233180, 244750, 256498, 291475, 360250, 489500, 512996, 582950, 641245, 720500, 1165900, 1282490, 1457375, 2564980, 2914750, 3206225, 5829500, 6412450, 12824900, 16031125, 32062250, 64124500]

約数ペア:

[(1, 64124500), (2, 32062250), (4, 16031125), (5, 12824900), (10, 6412450), (11, 5829500), (20, 3206225), (22, 2914750), (25, 2564980), (44, 1457375), (50, 1282490), (55, 1165900), (89, 720500), (100, 641245), (110, 582950), (125, 512996), (131, 489500), (178, 360250), (220, 291475), (250, 256498), (262, 244750), (275, 233180), (356, 180125), (445, 144100), (500, 128249), (524, 122375), (550, 116590), (655, 97900), (890, 72050), (979, 65500), (1100, 58295), (1310, 48950), (1375, 46636), (1441, 44500), (1780, 36025), (1958, 32750), (2225, 28820), (2620, 24475), (2750, 23318), (2882, 22250), (3275, 19580), (3916, 16375), (4450, 14410), (4895, 13100), (5500, 11659), (5764, 11125), (6550, 9790), (7205, 8900)]