12896260

素因数分解:

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

素因数の和:472

約数の個数: 48

約数和(自身を含む): 29430576

約数和(自身を除く): 16534316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 257, 260, 386, 514, 772, 965, 1028, 1285, 1930, 2509, 2570, 3341, 3860, 5018, 5140, 6682, 10036, 12545, 13364, 16705, 25090, 33410, 49601, 50180, 66820, 99202, 198404, 248005, 496010, 644813, 992020, 1289626, 2579252, 3224065, 6448130, 12896260]

約数ペア:

[(1, 12896260), (2, 6448130), (4, 3224065), (5, 2579252), (10, 1289626), (13, 992020), (20, 644813), (26, 496010), (52, 248005), (65, 198404), (130, 99202), (193, 66820), (257, 50180), (260, 49601), (386, 33410), (514, 25090), (772, 16705), (965, 13364), (1028, 12545), (1285, 10036), (1930, 6682), (2509, 5140), (2570, 5018), (3341, 3860)]