25409072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 53434080

約数和(自身を除く): 28025008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 151, 208, 302, 604, 809, 1208, 1618, 1963, 2416, 3236, 3926, 6472, 7852, 10517, 12944, 15704, 21034, 31408, 42068, 84136, 122159, 168272, 244318, 488636, 977272, 1588067, 1954544, 3176134, 6352268, 12704536, 25409072]

約数ペア:

[(1, 25409072), (2, 12704536), (4, 6352268), (8, 3176134), (13, 1954544), (16, 1588067), (26, 977272), (52, 488636), (104, 244318), (151, 168272), (208, 122159), (302, 84136), (604, 42068), (809, 31408), (1208, 21034), (1618, 15704), (1963, 12944), (2416, 10517), (3236, 7852), (3926, 6472)]