25629890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17923}}^1$

素因数の和:17954

約数の個数: 32

約数和(自身を含む): 54202176

約数和(自身を除く): 28572286

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17923, 35846, 89615, 179230, 197153, 232999, 394306, 465998, 985765, 1164995, 1971530, 2329990, 2562989, 5125978, 12814945, 25629890]

約数ペア:

[(1, 25629890), (2, 12814945), (5, 5125978), (10, 2562989), (11, 2329990), (13, 1971530), (22, 1164995), (26, 985765), (55, 465998), (65, 394306), (110, 232999), (130, 197153), (143, 179230), (286, 89615), (715, 35846), (1430, 17923)]