20194268800

素因数分解:

$2^7\times 5^2\times {\mathrm{6310709}}^1$

素因数の和:6310733

約数の個数: 48

約数和(自身を含む): 49886162550

約数和(自身を除く): 29691893750

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6310709, 12621418, 25242836, 31553545, 50485672, 63107090, 100971344, 126214180, 157767725, 201942688, 252428360, 315535450, 403885376, 504856720, 631070900, 807770752, 1009713440, 1262141800, 2019426880, 2524283600, 4038853760, 5048567200, 10097134400, 20194268800]

約数ペア:

[(1, 20194268800), (2, 10097134400), (4, 5048567200), (5, 4038853760), (8, 2524283600), (10, 2019426880), (16, 1262141800), (20, 1009713440), (25, 807770752), (32, 631070900), (40, 504856720), (50, 403885376), (64, 315535450), (80, 252428360), (100, 201942688), (128, 157767725), (160, 126214180), (200, 100971344), (320, 63107090), (400, 50485672), (640, 31553545), (800, 25242836), (1600, 12621418), (3200, 6310709)]