26406640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25391}}^1$

素因数の和:25417

約数の個数: 40

約数和(自身を含む): 66120768

約数和(自身を除く): 39714128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 25391, 50782, 101564, 126955, 203128, 253910, 330083, 406256, 507820, 660166, 1015640, 1320332, 1650415, 2031280, 2640664, 3300830, 5281328, 6601660, 13203320, 26406640]

約数ペア:

[(1, 26406640), (2, 13203320), (4, 6601660), (5, 5281328), (8, 3300830), (10, 2640664), (13, 2031280), (16, 1650415), (20, 1320332), (26, 1015640), (40, 660166), (52, 507820), (65, 406256), (80, 330083), (104, 253910), (130, 203128), (208, 126955), (260, 101564), (520, 50782), (1040, 25391)]