40400690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 80811864

約数和(自身を除く): 40411174

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 173, 193, 242, 346, 386, 605, 865, 965, 1210, 1730, 1903, 1930, 2123, 3806, 4246, 9515, 10615, 19030, 20933, 21230, 23353, 33389, 41866, 46706, 66778, 104665, 116765, 166945, 209330, 233530, 333890, 367279, 734558, 1836395, 3672790, 4040069, 8080138, 20200345, 40400690]

約数ペア:

[(1, 40400690), (2, 20200345), (5, 8080138), (10, 4040069), (11, 3672790), (22, 1836395), (55, 734558), (110, 367279), (121, 333890), (173, 233530), (193, 209330), (242, 166945), (346, 116765), (386, 104665), (605, 66778), (865, 46706), (965, 41866), (1210, 33389), (1730, 23353), (1903, 21230), (1930, 20933), (2123, 19030), (3806, 10615), (4246, 9515)]