65074480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18917}}^1$

素因数の和:18973

約数の個数: 40

約数和(自身を含む): 154824912

約数和(自身を除く): 89750432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 18917, 37834, 75668, 94585, 151336, 189170, 302672, 378340, 756680, 813431, 1513360, 1626862, 3253724, 4067155, 6507448, 8134310, 13014896, 16268620, 32537240, 65074480]

約数ペア:

[(1, 65074480), (2, 32537240), (4, 16268620), (5, 13014896), (8, 8134310), (10, 6507448), (16, 4067155), (20, 3253724), (40, 1626862), (43, 1513360), (80, 813431), (86, 756680), (172, 378340), (215, 302672), (344, 189170), (430, 151336), (688, 94585), (860, 75668), (1720, 37834), (3440, 18917)]