25157660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 58054752

約数和(自身を除く): 32897092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 661, 692, 865, 1322, 1730, 1903, 2644, 3305, 3460, 3806, 6610, 7271, 7612, 9515, 13220, 14542, 19030, 29084, 36355, 38060, 72710, 114353, 145420, 228706, 457412, 571765, 1143530, 1257883, 2287060, 2515766, 5031532, 6289415, 12578830, 25157660]

約数ペア:

[(1, 25157660), (2, 12578830), (4, 6289415), (5, 5031532), (10, 2515766), (11, 2287060), (20, 1257883), (22, 1143530), (44, 571765), (55, 457412), (110, 228706), (173, 145420), (220, 114353), (346, 72710), (661, 38060), (692, 36355), (865, 29084), (1322, 19030), (1730, 14542), (1903, 13220), (2644, 9515), (3305, 7612), (3460, 7271), (3806, 6610)]