44720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:69

約数の個数: 40

約数和(自身を含む): 114576

約数和(自身を除く): 69856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4472, 5590, 8944, 11180, 22360, 44720]

約数ペア:

[(1, 44720), (2, 22360), (4, 11180), (5, 8944), (8, 5590), (10, 4472), (13, 3440), (16, 2795), (20, 2236), (26, 1720), (40, 1118), (43, 1040), (52, 860), (65, 688), (80, 559), (86, 520), (104, 430), (130, 344), (172, 260), (208, 215)]