25366640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24391}}^1$

素因数の和:24417

約数の個数: 40

約数和(自身を含む): 63516768

約数和(自身を除く): 38150128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24391, 48782, 97564, 121955, 195128, 243910, 317083, 390256, 487820, 634166, 975640, 1268332, 1585415, 1951280, 2536664, 3170830, 5073328, 6341660, 12683320, 25366640]

約数ペア:

[(1, 25366640), (2, 12683320), (4, 6341660), (5, 5073328), (8, 3170830), (10, 2536664), (13, 1951280), (16, 1585415), (20, 1268332), (26, 975640), (40, 634166), (52, 487820), (65, 390256), (80, 317083), (104, 243910), (130, 195128), (208, 121955), (260, 97564), (520, 48782), (1040, 24391)]