25669904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{739}}^1$

素因数の和:927

約数の個数: 40

約数和(自身を含む): 53954880

約数和(自身を除く): 28284976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 668, 739, 1336, 1478, 2171, 2672, 2956, 4342, 5912, 8684, 9607, 11824, 17368, 19214, 34736, 38428, 76856, 123413, 153712, 246826, 493652, 987304, 1604369, 1974608, 3208738, 6417476, 12834952, 25669904]

約数ペア:

[(1, 25669904), (2, 12834952), (4, 6417476), (8, 3208738), (13, 1974608), (16, 1604369), (26, 987304), (52, 493652), (104, 246826), (167, 153712), (208, 123413), (334, 76856), (668, 38428), (739, 34736), (1336, 19214), (1478, 17368), (2171, 11824), (2672, 9607), (2956, 8684), (4342, 5912)]