16120325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 21722568

約数和(自身を除く): 5602243

約数列:

[1, 5, 13, 25, 65, 193, 257, 325, 965, 1285, 2509, 3341, 4825, 6425, 12545, 16705, 49601, 62725, 83525, 248005, 644813, 1240025, 3224065, 16120325]

約数ペア:

[(1, 16120325), (5, 3224065), (13, 1240025), (25, 644813), (65, 248005), (193, 83525), (257, 62725), (325, 49601), (965, 16705), (1285, 12545), (2509, 6425), (3341, 4825)]