25356656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 57371328

約数和(自身を除く): 32014672

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 71, 101, 104, 136, 142, 202, 208, 221, 272, 284, 404, 442, 568, 808, 884, 923, 1136, 1207, 1313, 1616, 1717, 1768, 1846, 2414, 2626, 3434, 3536, 3692, 4828, 5252, 6868, 7171, 7384, 9656, 10504, 13736, 14342, 14768, 15691, 19312, 21008, 22321, 27472, 28684, 31382, 44642, 57368, 62764, 89284, 93223, 114736, 121907, 125528, 178568, 186446, 243814, 251056, 357136, 372892, 487628, 745784, 975256, 1491568, 1584791, 1950512, 3169582, 6339164, 12678328, 25356656]

約数ペア:

[(1, 25356656), (2, 12678328), (4, 6339164), (8, 3169582), (13, 1950512), (16, 1584791), (17, 1491568), (26, 975256), (34, 745784), (52, 487628), (68, 372892), (71, 357136), (101, 251056), (104, 243814), (136, 186446), (142, 178568), (202, 125528), (208, 121907), (221, 114736), (272, 93223), (284, 89284), (404, 62764), (442, 57368), (568, 44642), (808, 31382), (884, 28684), (923, 27472), (1136, 22321), (1207, 21008), (1313, 19312), (1616, 15691), (1717, 14768), (1768, 14342), (1846, 13736), (2414, 10504), (2626, 9656), (3434, 7384), (3536, 7171), (3692, 6868), (4828, 5252)]