13720640

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 56

約数和(自身を含む): 33329880

約数和(自身を除く): 19609240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 809, 848, 1060, 1618, 1696, 2120, 3236, 3392, 4045, 4240, 6472, 8090, 8480, 12944, 16180, 16960, 25888, 32360, 42877, 51776, 64720, 85754, 129440, 171508, 214385, 258880, 343016, 428770, 686032, 857540, 1372064, 1715080, 2744128, 3430160, 6860320, 13720640]

約数ペア:

[(1, 13720640), (2, 6860320), (4, 3430160), (5, 2744128), (8, 1715080), (10, 1372064), (16, 857540), (20, 686032), (32, 428770), (40, 343016), (53, 258880), (64, 214385), (80, 171508), (106, 129440), (160, 85754), (212, 64720), (265, 51776), (320, 42877), (424, 32360), (530, 25888), (809, 16960), (848, 16180), (1060, 12944), (1618, 8480), (1696, 8090), (2120, 6472), (3236, 4240), (3392, 4045)]