53443780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205553}}^1$

素因数の和:205575

約数の個数: 24

約数和(自身を含む): 120865752

約数和(自身を除く): 67421972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 205553, 411106, 822212, 1027765, 2055530, 2672189, 4111060, 5344378, 10688756, 13360945, 26721890, 53443780]

約数ペア:

[(1, 53443780), (2, 26721890), (4, 13360945), (5, 10688756), (10, 5344378), (13, 4111060), (20, 2672189), (26, 2055530), (52, 1027765), (65, 822212), (130, 411106), (260, 205553)]