40697984

素因数分解:

$2^7\times {\mathrm{109}}^1\times {\mathrm{2917}}^1$

素因数の和:3040

約数の個数: 32

約数和(自身を含む): 81849900

約数和(自身を除く): 41151916

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 436, 872, 1744, 2917, 3488, 5834, 6976, 11668, 13952, 23336, 46672, 93344, 186688, 317953, 373376, 635906, 1271812, 2543624, 5087248, 10174496, 20348992, 40697984]

約数ペア:

[(1, 40697984), (2, 20348992), (4, 10174496), (8, 5087248), (16, 2543624), (32, 1271812), (64, 635906), (109, 373376), (128, 317953), (218, 186688), (436, 93344), (872, 46672), (1744, 23336), (2917, 13952), (3488, 11668), (5834, 6976)]