42142720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{8231}}^1$

素因数の和:8256

約数の個数: 44

約数和(自身を含む): 101105424

約数和(自身を除く): 58962704

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, 8231, 16462, 32924, 41155, 65848, 82310, 131696, 164620, 263392, 329240, 526784, 658480, 1053568, 1316960, 2107136, 2633920, 4214272, 5267840, 8428544, 10535680, 21071360, 42142720]

約数ペア:

[(1, 42142720), (2, 21071360), (4, 10535680), (5, 8428544), (8, 5267840), (10, 4214272), (16, 2633920), (20, 2107136), (32, 1316960), (40, 1053568), (64, 658480), (80, 526784), (128, 329240), (160, 263392), (256, 164620), (320, 131696), (512, 82310), (640, 65848), (1024, 41155), (1280, 32924), (2560, 16462), (5120, 8231)]