25840945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 34270776

約数和(自身を除く): 8429831

約数列:

[1, 5, 13, 53, 65, 169, 265, 577, 689, 845, 2885, 3445, 7501, 8957, 30581, 37505, 44785, 97513, 152905, 397553, 487565, 1987765, 5168189, 25840945]

約数ペア:

[(1, 25840945), (5, 5168189), (13, 1987765), (53, 487565), (65, 397553), (169, 152905), (265, 97513), (577, 44785), (689, 37505), (845, 30581), (2885, 8957), (3445, 7501)]