25689560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 37209640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 389, 508, 520, 635, 778, 1016, 1270, 1556, 1651, 1945, 2540, 3112, 3302, 3890, 5057, 5080, 6604, 7780, 8255, 10114, 13208, 15560, 16510, 20228, 25285, 33020, 40456, 49403, 50570, 66040, 98806, 101140, 197612, 202280, 247015, 395224, 494030, 642239, 988060, 1284478, 1976120, 2568956, 3211195, 5137912, 6422390, 12844780, 25689560]

約数ペア:

[(1, 25689560), (2, 12844780), (4, 6422390), (5, 5137912), (8, 3211195), (10, 2568956), (13, 1976120), (20, 1284478), (26, 988060), (40, 642239), (52, 494030), (65, 395224), (104, 247015), (127, 202280), (130, 197612), (254, 101140), (260, 98806), (389, 66040), (508, 50570), (520, 49403), (635, 40456), (778, 33020), (1016, 25285), (1270, 20228), (1556, 16510), (1651, 15560), (1945, 13208), (2540, 10114), (3112, 8255), (3302, 7780), (3890, 6604), (5057, 5080)]