40180016

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{23039}}^1$

素因数の和:23156

約数の個数: 20

約数和(自身を含む): 78566400

約数和(自身を除く): 38386384

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 23039, 46078, 92156, 184312, 368624, 2511251, 5022502, 10045004, 20090008, 40180016]

約数ペア:

[(1, 40180016), (2, 20090008), (4, 10045004), (8, 5022502), (16, 2511251), (109, 368624), (218, 184312), (436, 92156), (872, 46078), (1744, 23039)]