40018408

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 83995200

約数和(自身を除く): 43976792

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 578, 646, 911, 1156, 1292, 1822, 2312, 2584, 3644, 5491, 7288, 10982, 15487, 17309, 21964, 30974, 34618, 43928, 61948, 69236, 123896, 138472, 263279, 294253, 526558, 588506, 1053116, 1177012, 2106232, 2354024, 5002301, 10004602, 20009204, 40018408]

約数ペア:

[(1, 40018408), (2, 20009204), (4, 10004602), (8, 5002301), (17, 2354024), (19, 2106232), (34, 1177012), (38, 1053116), (68, 588506), (76, 526558), (136, 294253), (152, 263279), (289, 138472), (323, 123896), (578, 69236), (646, 61948), (911, 43928), (1156, 34618), (1292, 30974), (1822, 21964), (2312, 17309), (2584, 15487), (3644, 10982), (5491, 7288)]