26878000

素因数分解:

$2^4\times 5^3\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 66156480

約数和(自身を除く): 39278480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 125, 151, 178, 200, 250, 302, 356, 400, 445, 500, 604, 712, 755, 890, 1000, 1208, 1424, 1510, 1780, 2000, 2225, 2416, 3020, 3560, 3775, 4450, 6040, 7120, 7550, 8900, 11125, 12080, 13439, 15100, 17800, 18875, 22250, 26878, 30200, 35600, 37750, 44500, 53756, 60400, 67195, 75500, 89000, 107512, 134390, 151000, 178000, 215024, 268780, 302000, 335975, 537560, 671950, 1075120, 1343900, 1679875, 2687800, 3359750, 5375600, 6719500, 13439000, 26878000]

約数ペア:

[(1, 26878000), (2, 13439000), (4, 6719500), (5, 5375600), (8, 3359750), (10, 2687800), (16, 1679875), (20, 1343900), (25, 1075120), (40, 671950), (50, 537560), (80, 335975), (89, 302000), (100, 268780), (125, 215024), (151, 178000), (178, 151000), (200, 134390), (250, 107512), (302, 89000), (356, 75500), (400, 67195), (445, 60400), (500, 53756), (604, 44500), (712, 37750), (755, 35600), (890, 30200), (1000, 26878), (1208, 22250), (1424, 18875), (1510, 17800), (1780, 15100), (2000, 13439), (2225, 12080), (2416, 11125), (3020, 8900), (3560, 7550), (3775, 7120), (4450, 6040)]