65091280

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6211}}^1$

素因数の和:6355

約数の個数: 40

約数和(自身を含む): 152517024

約数和(自身を除く): 87425744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 6211, 10480, 12422, 24844, 31055, 49688, 62110, 99376, 124220, 248440, 496880, 813641, 1627282, 3254564, 4068205, 6509128, 8136410, 13018256, 16272820, 32545640, 65091280]

約数ペア:

[(1, 65091280), (2, 32545640), (4, 16272820), (5, 13018256), (8, 8136410), (10, 6509128), (16, 4068205), (20, 3254564), (40, 1627282), (80, 813641), (131, 496880), (262, 248440), (524, 124220), (655, 99376), (1048, 62110), (1310, 49688), (2096, 31055), (2620, 24844), (5240, 12422), (6211, 10480)]