38899280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{69463}}^1$

素因数の和:69483

約数の個数: 40

約数和(自身を含む): 103362432

約数和(自身を除く): 64463152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 69463, 138926, 277852, 347315, 486241, 555704, 694630, 972482, 1111408, 1389260, 1944964, 2431205, 2778520, 3889928, 4862410, 5557040, 7779856, 9724820, 19449640, 38899280]

約数ペア:

[(1, 38899280), (2, 19449640), (4, 9724820), (5, 7779856), (7, 5557040), (8, 4862410), (10, 3889928), (14, 2778520), (16, 2431205), (20, 1944964), (28, 1389260), (35, 1111408), (40, 972482), (56, 694630), (70, 555704), (80, 486241), (112, 347315), (140, 277852), (280, 138926), (560, 69463)]