81944480

素因数分解:

$2^5\times 5^1\times {\mathrm{673}}^1\times {\mathrm{761}}^1$

素因数の和:1449

約数の個数: 48

約数和(自身を含む): 194136264

約数和(自身を除く): 112191784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 673, 761, 1346, 1522, 2692, 3044, 3365, 3805, 5384, 6088, 6730, 7610, 10768, 12176, 13460, 15220, 21536, 24352, 26920, 30440, 53840, 60880, 107680, 121760, 512153, 1024306, 2048612, 2560765, 4097224, 5121530, 8194448, 10243060, 16388896, 20486120, 40972240, 81944480]

約数ペア:

[(1, 81944480), (2, 40972240), (4, 20486120), (5, 16388896), (8, 10243060), (10, 8194448), (16, 5121530), (20, 4097224), (32, 2560765), (40, 2048612), (80, 1024306), (160, 512153), (673, 121760), (761, 107680), (1346, 60880), (1522, 53840), (2692, 30440), (3044, 26920), (3365, 24352), (3805, 21536), (5384, 15220), (6088, 13460), (6730, 12176), (7610, 10768)]