26260240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19309}}^1$

素因数の和:19339

約数の個数: 40

約数和(自身を含む): 64649880

約数和(自身を除く): 38389640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19309, 38618, 77236, 96545, 154472, 193090, 308944, 328253, 386180, 656506, 772360, 1313012, 1544720, 1641265, 2626024, 3282530, 5252048, 6565060, 13130120, 26260240]

約数ペア:

[(1, 26260240), (2, 13130120), (4, 6565060), (5, 5252048), (8, 3282530), (10, 2626024), (16, 1641265), (17, 1544720), (20, 1313012), (34, 772360), (40, 656506), (68, 386180), (80, 328253), (85, 308944), (136, 193090), (170, 154472), (272, 96545), (340, 77236), (680, 38618), (1360, 19309)]