42557440

素因数分解:

$2^{13}\times 5^1\times {\mathrm{1039}}^1$

素因数の和:1070

約数の個数: 56

約数和(自身を含む): 102229920

約数和(自身を除く): 59672480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1039, 1280, 2048, 2078, 2560, 4096, 4156, 5120, 5195, 8192, 8312, 10240, 10390, 16624, 20480, 20780, 33248, 40960, 41560, 66496, 83120, 132992, 166240, 265984, 332480, 531968, 664960, 1063936, 1329920, 2127872, 2659840, 4255744, 5319680, 8511488, 10639360, 21278720, 42557440]

約数ペア:

[(1, 42557440), (2, 21278720), (4, 10639360), (5, 8511488), (8, 5319680), (10, 4255744), (16, 2659840), (20, 2127872), (32, 1329920), (40, 1063936), (64, 664960), (80, 531968), (128, 332480), (160, 265984), (256, 166240), (320, 132992), (512, 83120), (640, 66496), (1024, 41560), (1039, 40960), (1280, 33248), (2048, 20780), (2078, 20480), (2560, 16624), (4096, 10390), (4156, 10240), (5120, 8312), (5195, 8192)]