664659920

素因数分解:

$2^4\times 5^1\times {\mathrm{2297}}^1\times {\mathrm{3617}}^1$

素因数の和:5927

約数の個数: 40

約数和(自身を含む): 1546434504

約数和(自身を除く): 881774584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2297, 3617, 4594, 7234, 9188, 11485, 14468, 18085, 18376, 22970, 28936, 36170, 36752, 45940, 57872, 72340, 91880, 144680, 183760, 289360, 8308249, 16616498, 33232996, 41541245, 66465992, 83082490, 132931984, 166164980, 332329960, 664659920]

約数ペア:

[(1, 664659920), (2, 332329960), (4, 166164980), (5, 132931984), (8, 83082490), (10, 66465992), (16, 41541245), (20, 33232996), (40, 16616498), (80, 8308249), (2297, 289360), (3617, 183760), (4594, 144680), (7234, 91880), (9188, 72340), (11485, 57872), (14468, 45940), (18085, 36752), (18376, 36170), (22970, 28936)]