3952240

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 9285120

約数和(自身を除く): 5332880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 389, 508, 635, 778, 1016, 1270, 1556, 1945, 2032, 2540, 3112, 3890, 5080, 6224, 7780, 10160, 15560, 31120, 49403, 98806, 197612, 247015, 395224, 494030, 790448, 988060, 1976120, 3952240]

約数ペア:

[(1, 3952240), (2, 1976120), (4, 988060), (5, 790448), (8, 494030), (10, 395224), (16, 247015), (20, 197612), (40, 98806), (80, 49403), (127, 31120), (254, 15560), (389, 10160), (508, 7780), (635, 6224), (778, 5080), (1016, 3890), (1270, 3112), (1556, 2540), (1945, 2032)]