40309760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{7873}}^1$

素因数の和:7898

約数の個数: 44

約数和(自身を含む): 96708468

約数和(自身を除く): 56398708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 7873, 15746, 31492, 39365, 62984, 78730, 125968, 157460, 251936, 314920, 503872, 629840, 1007744, 1259680, 2015488, 2519360, 4030976, 5038720, 8061952, 10077440, 20154880, 40309760]

約数ペア:

[(1, 40309760), (2, 20154880), (4, 10077440), (5, 8061952), (8, 5038720), (10, 4030976), (16, 2519360), (20, 2015488), (32, 1259680), (40, 1007744), (64, 629840), (80, 503872), (128, 314920), (160, 251936), (256, 157460), (320, 125968), (512, 78730), (640, 62984), (1024, 39365), (1280, 31492), (2560, 15746), (5120, 7873)]