13040180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 28607040

約数和(自身を除く): 15566860

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 257, 295, 430, 514, 590, 860, 1028, 1180, 1285, 2537, 2570, 5074, 5140, 10148, 11051, 12685, 15163, 22102, 25370, 30326, 44204, 50740, 55255, 60652, 75815, 110510, 151630, 221020, 303260, 652009, 1304018, 2608036, 3260045, 6520090, 13040180]

約数ペア:

[(1, 13040180), (2, 6520090), (4, 3260045), (5, 2608036), (10, 1304018), (20, 652009), (43, 303260), (59, 221020), (86, 151630), (118, 110510), (172, 75815), (215, 60652), (236, 55255), (257, 50740), (295, 44204), (430, 30326), (514, 25370), (590, 22102), (860, 15163), (1028, 12685), (1180, 11051), (1285, 10148), (2537, 5140), (2570, 5074)]