80105000

素因数分解:

$2^3\times 5^4\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 193203780

約数和(自身を除く): 113098780

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 125, 148, 185, 200, 250, 296, 370, 433, 500, 625, 740, 866, 925, 1000, 1250, 1480, 1732, 1850, 2165, 2500, 3464, 3700, 4330, 4625, 5000, 7400, 8660, 9250, 10825, 16021, 17320, 18500, 21650, 23125, 32042, 37000, 43300, 46250, 54125, 64084, 80105, 86600, 92500, 108250, 128168, 160210, 185000, 216500, 270625, 320420, 400525, 433000, 541250, 640840, 801050, 1082500, 1602100, 2002625, 2165000, 3204200, 4005250, 8010500, 10013125, 16021000, 20026250, 40052500, 80105000]

約数ペア:

[(1, 80105000), (2, 40052500), (4, 20026250), (5, 16021000), (8, 10013125), (10, 8010500), (20, 4005250), (25, 3204200), (37, 2165000), (40, 2002625), (50, 1602100), (74, 1082500), (100, 801050), (125, 640840), (148, 541250), (185, 433000), (200, 400525), (250, 320420), (296, 270625), (370, 216500), (433, 185000), (500, 160210), (625, 128168), (740, 108250), (866, 92500), (925, 86600), (1000, 80105), (1250, 64084), (1480, 54125), (1732, 46250), (1850, 43300), (2165, 37000), (2500, 32042), (3464, 23125), (3700, 21650), (4330, 18500), (4625, 17320), (5000, 16021), (7400, 10825), (8660, 9250)]