25135780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 56173824

約数和(自身を除く): 31038044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 1031, 1060, 1219, 2062, 2438, 4124, 4876, 5155, 6095, 10310, 12190, 20620, 23713, 24380, 47426, 54643, 94852, 109286, 118565, 218572, 237130, 273215, 474260, 546430, 1092860, 1256789, 2513578, 5027156, 6283945, 12567890, 25135780]

約数ペア:

[(1, 25135780), (2, 12567890), (4, 6283945), (5, 5027156), (10, 2513578), (20, 1256789), (23, 1092860), (46, 546430), (53, 474260), (92, 273215), (106, 237130), (115, 218572), (212, 118565), (230, 109286), (265, 94852), (460, 54643), (530, 47426), (1031, 24380), (1060, 23713), (1219, 20620), (2062, 12190), (2438, 10310), (4124, 6095), (4876, 5155)]