40208128

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{9239}}^1$

素因数の和:9272

約数の個数: 36

約数和(自身を含む): 84989520

約数和(自身を除く): 44781392

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 9239, 18478, 36956, 73912, 147824, 157063, 295648, 314126, 591296, 628252, 1182592, 1256504, 2365184, 2513008, 5026016, 10052032, 20104064, 40208128]

約数ペア:

[(1, 40208128), (2, 20104064), (4, 10052032), (8, 5026016), (16, 2513008), (17, 2365184), (32, 1256504), (34, 1182592), (64, 628252), (68, 591296), (128, 314126), (136, 295648), (256, 157063), (272, 147824), (544, 73912), (1088, 36956), (2176, 18478), (4352, 9239)]