39969400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8689}}^1$

素因数の和:8728

約数の個数: 48

約数和(自身を含む): 96980400

約数和(自身を除く): 57011000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4600, 8689, 17378, 34756, 43445, 69512, 86890, 173780, 199847, 217225, 347560, 399694, 434450, 799388, 868900, 999235, 1598776, 1737800, 1998470, 3996940, 4996175, 7993880, 9992350, 19984700, 39969400]

約数ペア:

[(1, 39969400), (2, 19984700), (4, 9992350), (5, 7993880), (8, 4996175), (10, 3996940), (20, 1998470), (23, 1737800), (25, 1598776), (40, 999235), (46, 868900), (50, 799388), (92, 434450), (100, 399694), (115, 347560), (184, 217225), (200, 199847), (230, 173780), (460, 86890), (575, 69512), (920, 43445), (1150, 34756), (2300, 17378), (4600, 8689)]