65368840

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{6781}}^1$

素因数の和:7033

約数の個数: 32

約数和(自身を含む): 147711960

約数和(自身を除く): 82343120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 6781, 9640, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 1634221, 3268442, 6536884, 8171105, 13073768, 16342210, 32684420, 65368840]

約数ペア:

[(1, 65368840), (2, 32684420), (4, 16342210), (5, 13073768), (8, 8171105), (10, 6536884), (20, 3268442), (40, 1634221), (241, 271240), (482, 135620), (964, 67810), (1205, 54248), (1928, 33905), (2410, 27124), (4820, 13562), (6781, 9640)]