26280280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50539}}^1$

素因数の和:50563

約数の個数: 32

約数和(自身を含む): 63680400

約数和(自身を除く): 37400120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 50539, 101078, 202156, 252695, 404312, 505390, 657007, 1010780, 1314014, 2021560, 2628028, 3285035, 5256056, 6570070, 13140140, 26280280]

約数ペア:

[(1, 26280280), (2, 13140140), (4, 6570070), (5, 5256056), (8, 3285035), (10, 2628028), (13, 2021560), (20, 1314014), (26, 1010780), (40, 657007), (52, 505390), (65, 404312), (104, 252695), (130, 202156), (260, 101078), (520, 50539)]