4003240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2441}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 9230760

約数和(自身を除く): 5227520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2441, 4882, 9764, 12205, 19528, 24410, 48820, 97640, 100081, 200162, 400324, 500405, 800648, 1000810, 2001620, 4003240]

約数ペア:

[(1, 4003240), (2, 2001620), (4, 1000810), (5, 800648), (8, 500405), (10, 400324), (20, 200162), (40, 100081), (41, 97640), (82, 48820), (164, 24410), (205, 19528), (328, 12205), (410, 9764), (820, 4882), (1640, 2441)]