4407500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 10103016

約数和(自身を除く): 5695516

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 43, 50, 82, 86, 100, 125, 164, 172, 205, 215, 250, 410, 430, 500, 625, 820, 860, 1025, 1075, 1250, 1763, 2050, 2150, 2500, 3526, 4100, 4300, 5125, 5375, 7052, 8815, 10250, 10750, 17630, 20500, 21500, 25625, 26875, 35260, 44075, 51250, 53750, 88150, 102500, 107500, 176300, 220375, 440750, 881500, 1101875, 2203750, 4407500]

約数ペア:

[(1, 4407500), (2, 2203750), (4, 1101875), (5, 881500), (10, 440750), (20, 220375), (25, 176300), (41, 107500), (43, 102500), (50, 88150), (82, 53750), (86, 51250), (100, 44075), (125, 35260), (164, 26875), (172, 25625), (205, 21500), (215, 20500), (250, 17630), (410, 10750), (430, 10250), (500, 8815), (625, 7052), (820, 5375), (860, 5125), (1025, 4300), (1075, 4100), (1250, 3526), (1763, 2500), (2050, 2150)]