25767920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18947}}^1$

素因数の和:18977

約数の個数: 40

約数和(自身を含む): 63437904

約数和(自身を除く): 37669984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18947, 37894, 75788, 94735, 151576, 189470, 303152, 322099, 378940, 644198, 757880, 1288396, 1515760, 1610495, 2576792, 3220990, 5153584, 6441980, 12883960, 25767920]

約数ペア:

[(1, 25767920), (2, 12883960), (4, 6441980), (5, 5153584), (8, 3220990), (10, 2576792), (16, 1610495), (17, 1515760), (20, 1288396), (34, 757880), (40, 644198), (68, 378940), (80, 322099), (85, 303152), (136, 189470), (170, 151576), (272, 94735), (340, 75788), (680, 37894), (1360, 18947)]