80128432

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122147}}^1$

素因数の和:122196

約数の個数: 20

約数和(自身を含む): 159036696

約数和(自身を除く): 78908264

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122147, 244294, 488588, 977176, 1954352, 5008027, 10016054, 20032108, 40064216, 80128432]

約数ペア:

[(1, 80128432), (2, 40064216), (4, 20032108), (8, 10016054), (16, 5008027), (41, 1954352), (82, 977176), (164, 488588), (328, 244294), (656, 122147)]