4217963920

素因数分解:

$2^4\times 5^1\times {\mathrm{3221}}^1\times {\mathrm{16369}}^1$

素因数の和:19603

約数の個数: 40

約数和(自身を含む): 9810410040

約数和(自身を除く): 5592446120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3221, 6442, 12884, 16105, 16369, 25768, 32210, 32738, 51536, 64420, 65476, 81845, 128840, 130952, 163690, 257680, 261904, 327380, 654760, 1309520, 52724549, 105449098, 210898196, 263622745, 421796392, 527245490, 843592784, 1054490980, 2108981960, 4217963920]

約数ペア:

[(1, 4217963920), (2, 2108981960), (4, 1054490980), (5, 843592784), (8, 527245490), (10, 421796392), (16, 263622745), (20, 210898196), (40, 105449098), (80, 52724549), (3221, 1309520), (6442, 654760), (12884, 327380), (16105, 261904), (16369, 257680), (25768, 163690), (32210, 130952), (32738, 128840), (51536, 81845), (64420, 65476)]