128570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 266112

約数和(自身を除く): 137542

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 215, 230, 299, 430, 559, 598, 989, 1118, 1495, 1978, 2795, 2990, 4945, 5590, 9890, 12857, 25714, 64285, 128570]

約数ペア:

[(1, 128570), (2, 64285), (5, 25714), (10, 12857), (13, 9890), (23, 5590), (26, 4945), (43, 2990), (46, 2795), (65, 1978), (86, 1495), (115, 1118), (130, 989), (215, 598), (230, 559), (299, 430)]