84009040

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5441}}^1$

素因数の和:5647

約数の個数: 40

約数和(自身を含む): 196369128

約数和(自身を除く): 112360088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 5441, 7720, 10882, 15440, 21764, 27205, 43528, 54410, 87056, 108820, 217640, 435280, 1050113, 2100226, 4200452, 5250565, 8400904, 10501130, 16801808, 21002260, 42004520, 84009040]

約数ペア:

[(1, 84009040), (2, 42004520), (4, 21002260), (5, 16801808), (8, 10501130), (10, 8400904), (16, 5250565), (20, 4200452), (40, 2100226), (80, 1050113), (193, 435280), (386, 217640), (772, 108820), (965, 87056), (1544, 54410), (1930, 43528), (3088, 27205), (3860, 21764), (5441, 15440), (7720, 10882)]