88100000

素因数分解:

$2^5\times 5^5\times {\mathrm{881}}^1$

素因数の和:916

約数の個数: 72

約数和(自身を含む): 217040796

約数和(自身を除く): 128940796

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, 881, 1000, 1250, 1762, 2000, 2500, 3125, 3524, 4000, 4405, 5000, 6250, 7048, 8810, 10000, 12500, 14096, 17620, 20000, 22025, 25000, 28192, 35240, 44050, 50000, 70480, 88100, 100000, 110125, 140960, 176200, 220250, 352400, 440500, 550625, 704800, 881000, 1101250, 1762000, 2202500, 2753125, 3524000, 4405000, 5506250, 8810000, 11012500, 17620000, 22025000, 44050000, 88100000]

約数ペア:

[(1, 88100000), (2, 44050000), (4, 22025000), (5, 17620000), (8, 11012500), (10, 8810000), (16, 5506250), (20, 4405000), (25, 3524000), (32, 2753125), (40, 2202500), (50, 1762000), (80, 1101250), (100, 881000), (125, 704800), (160, 550625), (200, 440500), (250, 352400), (400, 220250), (500, 176200), (625, 140960), (800, 110125), (881, 100000), (1000, 88100), (1250, 70480), (1762, 50000), (2000, 44050), (2500, 35240), (3125, 28192), (3524, 25000), (4000, 22025), (4405, 20000), (5000, 17620), (6250, 14096), (7048, 12500), (8810, 10000)]