158240

素因数分解:

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

素因数の和:81

約数の個数: 48

約数和(自身を含む): 399168

約数和(自身を除く): 240928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 115, 160, 172, 184, 215, 230, 344, 368, 430, 460, 688, 736, 860, 920, 989, 1376, 1720, 1840, 1978, 3440, 3680, 3956, 4945, 6880, 7912, 9890, 15824, 19780, 31648, 39560, 79120, 158240]

約数ペア:

[(1, 158240), (2, 79120), (4, 39560), (5, 31648), (8, 19780), (10, 15824), (16, 9890), (20, 7912), (23, 6880), (32, 4945), (40, 3956), (43, 3680), (46, 3440), (80, 1978), (86, 1840), (92, 1720), (115, 1376), (160, 989), (172, 920), (184, 860), (215, 736), (230, 688), (344, 460), (368, 430)]