40222720

素因数分解:

$2^{14}\times 5^1\times {\mathrm{491}}^1$

素因数の和:524

約数の個数: 60

約数和(自身を含む): 96728184

約数和(自身を除く): 56505464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 491, 512, 640, 982, 1024, 1280, 1964, 2048, 2455, 2560, 3928, 4096, 4910, 5120, 7856, 8192, 9820, 10240, 15712, 16384, 19640, 20480, 31424, 39280, 40960, 62848, 78560, 81920, 125696, 157120, 251392, 314240, 502784, 628480, 1005568, 1256960, 2011136, 2513920, 4022272, 5027840, 8044544, 10055680, 20111360, 40222720]

約数ペア:

[(1, 40222720), (2, 20111360), (4, 10055680), (5, 8044544), (8, 5027840), (10, 4022272), (16, 2513920), (20, 2011136), (32, 1256960), (40, 1005568), (64, 628480), (80, 502784), (128, 314240), (160, 251392), (256, 157120), (320, 125696), (491, 81920), (512, 78560), (640, 62848), (982, 40960), (1024, 39280), (1280, 31424), (1964, 20480), (2048, 19640), (2455, 16384), (2560, 15712), (3928, 10240), (4096, 9820), (4910, 8192), (5120, 7856)]