40988416

素因数分解:

$2^8\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 94923360

約数和(自身を除く): 53934944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 257, 356, 448, 514, 623, 712, 896, 1028, 1246, 1424, 1792, 1799, 2056, 2492, 2848, 3598, 4112, 4984, 5696, 7196, 8224, 9968, 11392, 14392, 16448, 19936, 22784, 22873, 28784, 32896, 39872, 45746, 57568, 65792, 79744, 91492, 115136, 159488, 160111, 182984, 230272, 320222, 365968, 460544, 640444, 731936, 1280888, 1463872, 2561776, 2927744, 5123552, 5855488, 10247104, 20494208, 40988416]

約数ペア:

[(1, 40988416), (2, 20494208), (4, 10247104), (7, 5855488), (8, 5123552), (14, 2927744), (16, 2561776), (28, 1463872), (32, 1280888), (56, 731936), (64, 640444), (89, 460544), (112, 365968), (128, 320222), (178, 230272), (224, 182984), (256, 160111), (257, 159488), (356, 115136), (448, 91492), (514, 79744), (623, 65792), (712, 57568), (896, 45746), (1028, 39872), (1246, 32896), (1424, 28784), (1792, 22873), (1799, 22784), (2056, 19936), (2492, 16448), (2848, 14392), (3598, 11392), (4112, 9968), (4984, 8224), (5696, 7196)]