85240000

素因数分解:

$2^6\times 5^4\times {\mathrm{2131}}^1$

素因数の和:2163

約数の個数: 70

約数和(自身を含む): 211466684

約数和(自身を除く): 126226684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2131, 2500, 4000, 4262, 5000, 8000, 8524, 10000, 10655, 17048, 20000, 21310, 34096, 40000, 42620, 53275, 68192, 85240, 106550, 136384, 170480, 213100, 266375, 340960, 426200, 532750, 681920, 852400, 1065500, 1331875, 1704800, 2131000, 2663750, 3409600, 4262000, 5327500, 8524000, 10655000, 17048000, 21310000, 42620000, 85240000]

約数ペア:

[(1, 85240000), (2, 42620000), (4, 21310000), (5, 17048000), (8, 10655000), (10, 8524000), (16, 5327500), (20, 4262000), (25, 3409600), (32, 2663750), (40, 2131000), (50, 1704800), (64, 1331875), (80, 1065500), (100, 852400), (125, 681920), (160, 532750), (200, 426200), (250, 340960), (320, 266375), (400, 213100), (500, 170480), (625, 136384), (800, 106550), (1000, 85240), (1250, 68192), (1600, 53275), (2000, 42620), (2131, 40000), (2500, 34096), (4000, 21310), (4262, 20000), (5000, 17048), (8000, 10655), (8524, 10000)]