40400390

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{55343}}^1$

素因数の和:55423

約数の個数: 16

約数和(自身を含む): 73718208

約数和(自身を除く): 33317818

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 55343, 110686, 276715, 553430, 4040039, 8080078, 20200195, 40400390]

約数ペア:

[(1, 40400390), (2, 20200195), (5, 8080078), (10, 4040039), (73, 553430), (146, 276715), (365, 110686), (730, 55343)]