42620000

素因数分解:

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

素因数の和:2161

約数の個数: 60

約数和(自身を含む): 104900796

約数和(自身を除く): 62280796

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, 2131, 2500, 4000, 4262, 5000, 8524, 10000, 10655, 17048, 20000, 21310, 34096, 42620, 53275, 68192, 85240, 106550, 170480, 213100, 266375, 340960, 426200, 532750, 852400, 1065500, 1331875, 1704800, 2131000, 2663750, 4262000, 5327500, 8524000, 10655000, 21310000, 42620000]

約数ペア:

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