26989810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2802

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 24902030

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 2729, 4945, 5458, 9890, 13645, 27290, 62767, 117347, 125534, 234694, 313835, 586735, 627670, 1173470, 2698981, 5397962, 13494905, 26989810]

約数ペア:

[(1, 26989810), (2, 13494905), (5, 5397962), (10, 2698981), (23, 1173470), (43, 627670), (46, 586735), (86, 313835), (115, 234694), (215, 125534), (230, 117347), (430, 62767), (989, 27290), (1978, 13645), (2729, 9890), (4945, 5458)]