66599240

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3391}}^1$

素因数の和:3893

約数の個数: 32

約数和(自身を含む): 150197760

約数和(自身を除く): 83598520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3391, 3928, 4910, 6782, 9820, 13564, 16955, 19640, 27128, 33910, 67820, 135640, 1664981, 3329962, 6659924, 8324905, 13319848, 16649810, 33299620, 66599240]

約数ペア:

[(1, 66599240), (2, 33299620), (4, 16649810), (5, 13319848), (8, 8324905), (10, 6659924), (20, 3329962), (40, 1664981), (491, 135640), (982, 67820), (1964, 33910), (2455, 27128), (3391, 19640), (3928, 16955), (4910, 13564), (6782, 9820)]