52090000

素因数分解:

$2^4\times 5^4\times {\mathrm{5209}}^1$

素因数の和:5237

約数の個数: 50

約数和(自身を含む): 126139310

約数和(自身を除く): 74049310

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 5209, 10000, 10418, 20836, 26045, 41672, 52090, 83344, 104180, 130225, 208360, 260450, 416720, 520900, 651125, 1041800, 1302250, 2083600, 2604500, 3255625, 5209000, 6511250, 10418000, 13022500, 26045000, 52090000]

約数ペア:

[(1, 52090000), (2, 26045000), (4, 13022500), (5, 10418000), (8, 6511250), (10, 5209000), (16, 3255625), (20, 2604500), (25, 2083600), (40, 1302250), (50, 1041800), (80, 651125), (100, 520900), (125, 416720), (200, 260450), (250, 208360), (400, 130225), (500, 104180), (625, 83344), (1000, 52090), (1250, 41672), (2000, 26045), (2500, 20836), (5000, 10418), (5209, 10000)]