40891888

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{5081}}^1$

素因数の和:5592

約数の個数: 20

約数和(自身を含む): 79401168

約数和(自身を除く): 38509280

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 5081, 8048, 10162, 20324, 40648, 81296, 2555743, 5111486, 10222972, 20445944, 40891888]

約数ペア:

[(1, 40891888), (2, 20445944), (4, 10222972), (8, 5111486), (16, 2555743), (503, 81296), (1006, 40648), (2012, 20324), (4024, 10162), (5081, 8048)]