39409720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20107}}^1$

素因数の和:20132

約数の個数: 48

約数和(自身を含む): 103154040

約数和(自身を除く): 63744320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20107, 40214, 80428, 100535, 140749, 160856, 201070, 281498, 402140, 562996, 703745, 804280, 985243, 1125992, 1407490, 1970486, 2814980, 3940972, 4926215, 5629960, 7881944, 9852430, 19704860, 39409720]

約数ペア:

[(1, 39409720), (2, 19704860), (4, 9852430), (5, 7881944), (7, 5629960), (8, 4926215), (10, 3940972), (14, 2814980), (20, 1970486), (28, 1407490), (35, 1125992), (40, 985243), (49, 804280), (56, 703745), (70, 562996), (98, 402140), (140, 281498), (196, 201070), (245, 160856), (280, 140749), (392, 100535), (490, 80428), (980, 40214), (1960, 20107)]