51259780

素因数分解:

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

素因数の和:17956

約数の個数: 48

約数和(自身を含む): 126471744

約数和(自身を除く): 75211964

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 17923, 35846, 71692, 89615, 179230, 197153, 232999, 358460, 394306, 465998, 788612, 931996, 985765, 1164995, 1971530, 2329990, 2562989, 3943060, 4659980, 5125978, 10251956, 12814945, 25629890, 51259780]

約数ペア:

[(1, 51259780), (2, 25629890), (4, 12814945), (5, 10251956), (10, 5125978), (11, 4659980), (13, 3943060), (20, 2562989), (22, 2329990), (26, 1971530), (44, 1164995), (52, 985765), (55, 931996), (65, 788612), (110, 465998), (130, 394306), (143, 358460), (220, 232999), (260, 197153), (286, 179230), (572, 89615), (715, 71692), (1430, 35846), (2860, 17923)]