40193140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154589}}^1$

素因数の和:154611

約数の個数: 24

約数和(自身を含む): 90898920

約数和(自身を除く): 50705780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154589, 309178, 618356, 772945, 1545890, 2009657, 3091780, 4019314, 8038628, 10048285, 20096570, 40193140]

約数ペア:

[(1, 40193140), (2, 20096570), (4, 10048285), (5, 8038628), (10, 4019314), (13, 3091780), (20, 2009657), (26, 1545890), (52, 772945), (65, 618356), (130, 309178), (260, 154589)]