40441006

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 66316320

約数和(自身を除く): 25875314

約数列:

[1, 2, 19, 38, 41, 82, 101, 202, 257, 514, 779, 1558, 1919, 3838, 4141, 4883, 8282, 9766, 10537, 21074, 25957, 51914, 78679, 157358, 200203, 400406, 493183, 986366, 1064237, 2128474, 20220503, 40441006]

約数ペア:

[(1, 40441006), (2, 20220503), (19, 2128474), (38, 1064237), (41, 986366), (82, 493183), (101, 400406), (202, 200203), (257, 157358), (514, 78679), (779, 51914), (1558, 25957), (1919, 21074), (3838, 10537), (4141, 9766), (4883, 8282)]