5639440

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 13224600

約数和(自身を除く): 7585160

約数列:

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

約数ペア:

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