40797440

素因数分解:

$2^8\times 5^1\times {\mathrm{31873}}^1$

素因数の和:31894

約数の個数: 36

約数和(自身を含む): 97725684

約数和(自身を除く): 56928244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31873, 63746, 127492, 159365, 254984, 318730, 509968, 637460, 1019936, 1274920, 2039872, 2549840, 4079744, 5099680, 8159488, 10199360, 20398720, 40797440]

約数ペア:

[(1, 40797440), (2, 20398720), (4, 10199360), (5, 8159488), (8, 5099680), (10, 4079744), (16, 2549840), (20, 2039872), (32, 1274920), (40, 1019936), (64, 637460), (80, 509968), (128, 318730), (160, 254984), (256, 159365), (320, 127492), (640, 63746), (1280, 31873)]