77540000

素因数分解:

$2^5\times 5^4\times {\mathrm{3877}}^1$

素因数の和:3907

約数の個数: 60

約数和(自身を含む): 190809234

約数和(自身を除く): 113269234

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 3877, 4000, 5000, 7754, 10000, 15508, 19385, 20000, 31016, 38770, 62032, 77540, 96925, 124064, 155080, 193850, 310160, 387700, 484625, 620320, 775400, 969250, 1550800, 1938500, 2423125, 3101600, 3877000, 4846250, 7754000, 9692500, 15508000, 19385000, 38770000, 77540000]

約数ペア:

[(1, 77540000), (2, 38770000), (4, 19385000), (5, 15508000), (8, 9692500), (10, 7754000), (16, 4846250), (20, 3877000), (25, 3101600), (32, 2423125), (40, 1938500), (50, 1550800), (80, 969250), (100, 775400), (125, 620320), (160, 484625), (200, 387700), (250, 310160), (400, 193850), (500, 155080), (625, 124064), (800, 96925), (1000, 77540), (1250, 62032), (2000, 38770), (2500, 31016), (3877, 20000), (4000, 19385), (5000, 15508), (7754, 10000)]