11278880

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 26875800

約数和(自身を除く): 15596920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 449, 628, 785, 898, 1256, 1570, 1796, 2245, 2512, 3140, 3592, 4490, 5024, 6280, 7184, 8980, 12560, 14368, 17960, 25120, 35920, 70493, 71840, 140986, 281972, 352465, 563944, 704930, 1127888, 1409860, 2255776, 2819720, 5639440, 11278880]

約数ペア:

[(1, 11278880), (2, 5639440), (4, 2819720), (5, 2255776), (8, 1409860), (10, 1127888), (16, 704930), (20, 563944), (32, 352465), (40, 281972), (80, 140986), (157, 71840), (160, 70493), (314, 35920), (449, 25120), (628, 17960), (785, 14368), (898, 12560), (1256, 8980), (1570, 7184), (1796, 6280), (2245, 5024), (2512, 4490), (3140, 3592)]