2148560

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 5062176

約数和(自身を除く): 2913616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 251, 428, 502, 535, 856, 1004, 1070, 1255, 1712, 2008, 2140, 2510, 4016, 4280, 5020, 8560, 10040, 20080, 26857, 53714, 107428, 134285, 214856, 268570, 429712, 537140, 1074280, 2148560]

約数ペア:

[(1, 2148560), (2, 1074280), (4, 537140), (5, 429712), (8, 268570), (10, 214856), (16, 134285), (20, 107428), (40, 53714), (80, 26857), (107, 20080), (214, 10040), (251, 8560), (428, 5020), (502, 4280), (535, 4016), (856, 2510), (1004, 2140), (1070, 2008), (1255, 1712)]