64012040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10193}}^1$

素因数の和:10361

約数の個数: 32

約数和(自身を含む): 144958680

約数和(自身を除く): 80946640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 10193, 20386, 40772, 50965, 81544, 101930, 203860, 407720, 1600301, 3200602, 6401204, 8001505, 12802408, 16003010, 32006020, 64012040]

約数ペア:

[(1, 64012040), (2, 32006020), (4, 16003010), (5, 12802408), (8, 8001505), (10, 6401204), (20, 3200602), (40, 1600301), (157, 407720), (314, 203860), (628, 101930), (785, 81544), (1256, 50965), (1570, 40772), (3140, 20386), (6280, 10193)]