81683600

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3853}}^1$

素因数の和:3924

約数の個数: 60

約数和(自身を含む): 199999476

約数和(自身を除く): 118315876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1325, 2120, 2650, 3853, 4240, 5300, 7706, 10600, 15412, 19265, 21200, 30824, 38530, 61648, 77060, 96325, 154120, 192650, 204209, 308240, 385300, 408418, 770600, 816836, 1021045, 1541200, 1633672, 2042090, 3267344, 4084180, 5105225, 8168360, 10210450, 16336720, 20420900, 40841800, 81683600]

約数ペア:

[(1, 81683600), (2, 40841800), (4, 20420900), (5, 16336720), (8, 10210450), (10, 8168360), (16, 5105225), (20, 4084180), (25, 3267344), (40, 2042090), (50, 1633672), (53, 1541200), (80, 1021045), (100, 816836), (106, 770600), (200, 408418), (212, 385300), (265, 308240), (400, 204209), (424, 192650), (530, 154120), (848, 96325), (1060, 77060), (1325, 61648), (2120, 38530), (2650, 30824), (3853, 21200), (4240, 19265), (5300, 15412), (7706, 10600)]