25982540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 56415744

約数和(自身を除く): 30433204

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 211, 235, 262, 422, 470, 524, 655, 844, 940, 1055, 1310, 2110, 2620, 4220, 6157, 9917, 12314, 19834, 24628, 27641, 30785, 39668, 49585, 55282, 61570, 99170, 110564, 123140, 138205, 198340, 276410, 552820, 1299127, 2598254, 5196508, 6495635, 12991270, 25982540]

約数ペア:

[(1, 25982540), (2, 12991270), (4, 6495635), (5, 5196508), (10, 2598254), (20, 1299127), (47, 552820), (94, 276410), (131, 198340), (188, 138205), (211, 123140), (235, 110564), (262, 99170), (422, 61570), (470, 55282), (524, 49585), (655, 39668), (844, 30785), (940, 27641), (1055, 24628), (1310, 19834), (2110, 12314), (2620, 9917), (4220, 6157)]