109252040

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4261}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 246258360

約数和(自身を除く): 137006320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 4261, 5128, 6410, 8522, 12820, 17044, 21305, 25640, 34088, 42610, 85220, 170440, 2731301, 5462602, 10925204, 13656505, 21850408, 27313010, 54626020, 109252040]

約数ペア:

[(1, 109252040), (2, 54626020), (4, 27313010), (5, 21850408), (8, 13656505), (10, 10925204), (20, 5462602), (40, 2731301), (641, 170440), (1282, 85220), (2564, 42610), (3205, 34088), (4261, 25640), (5128, 21305), (6410, 17044), (8522, 12820)]