87524020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71741}}^1$

素因数の和:71811

約数の個数: 24

約数和(自身を含む): 186816168

約数和(自身を除く): 99292148

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 71741, 143482, 286964, 358705, 717410, 1434820, 4376201, 8752402, 17504804, 21881005, 43762010, 87524020]

約数ペア:

[(1, 87524020), (2, 43762010), (4, 21881005), (5, 17504804), (10, 8752402), (20, 4376201), (61, 1434820), (122, 717410), (244, 358705), (305, 286964), (610, 143482), (1220, 71741)]