80412368

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{20023}}^1$

素因数の和:20282

約数の個数: 20

約数和(自身を含む): 156427488

約数和(自身を除く): 76015120

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 20023, 40046, 80092, 160184, 320368, 5025773, 10051546, 20103092, 40206184, 80412368]

約数ペア:

[(1, 80412368), (2, 40206184), (4, 20103092), (8, 10051546), (16, 5025773), (251, 320368), (502, 160184), (1004, 80092), (2008, 40046), (4016, 20023)]