201002720

素因数分解:

$2^5\times 5^1\times {\mathrm{1256267}}^1$

素因数の和:1256282

約数の個数: 24

約数和(自身を含む): 474869304

約数和(自身を除く): 273866584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1256267, 2512534, 5025068, 6281335, 10050136, 12562670, 20100272, 25125340, 40200544, 50250680, 100501360, 201002720]

約数ペア:

[(1, 201002720), (2, 100501360), (4, 50250680), (5, 40200544), (8, 25125340), (10, 20100272), (16, 12562670), (20, 10050136), (32, 6281335), (40, 5025068), (80, 2512534), (160, 1256267)]