202960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 40

約数和(自身を含む): 491040

約数和(自身を除く): 288080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 172, 215, 236, 295, 344, 430, 472, 590, 688, 860, 944, 1180, 1720, 2360, 2537, 3440, 4720, 5074, 10148, 12685, 20296, 25370, 40592, 50740, 101480, 202960]

約数ペア:

[(1, 202960), (2, 101480), (4, 50740), (5, 40592), (8, 25370), (10, 20296), (16, 12685), (20, 10148), (40, 5074), (43, 4720), (59, 3440), (80, 2537), (86, 2360), (118, 1720), (172, 1180), (215, 944), (236, 860), (295, 688), (344, 590), (430, 472)]