72429040

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4691}}^1$

素因数の和:4897

約数の個数: 40

約数和(自身を含む): 169306128

約数和(自身を除く): 96877088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 4691, 7720, 9382, 15440, 18764, 23455, 37528, 46910, 75056, 93820, 187640, 375280, 905363, 1810726, 3621452, 4526815, 7242904, 9053630, 14485808, 18107260, 36214520, 72429040]

約数ペア:

[(1, 72429040), (2, 36214520), (4, 18107260), (5, 14485808), (8, 9053630), (10, 7242904), (16, 4526815), (20, 3621452), (40, 1810726), (80, 905363), (193, 375280), (386, 187640), (772, 93820), (965, 75056), (1544, 46910), (1930, 37528), (3088, 23455), (3860, 18764), (4691, 15440), (7720, 9382)]