4140920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 11128320

約数和(自身を除く): 6987400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 643, 644, 805, 920, 1286, 1288, 1610, 2572, 3215, 3220, 4501, 5144, 6430, 6440, 9002, 12860, 14789, 18004, 22505, 25720, 29578, 36008, 45010, 59156, 73945, 90020, 103523, 118312, 147890, 180040, 207046, 295780, 414092, 517615, 591560, 828184, 1035230, 2070460, 4140920]

約数ペア:

[(1, 4140920), (2, 2070460), (4, 1035230), (5, 828184), (7, 591560), (8, 517615), (10, 414092), (14, 295780), (20, 207046), (23, 180040), (28, 147890), (35, 118312), (40, 103523), (46, 90020), (56, 73945), (70, 59156), (92, 45010), (115, 36008), (140, 29578), (161, 25720), (184, 22505), (230, 18004), (280, 14789), (322, 12860), (460, 9002), (643, 6440), (644, 6430), (805, 5144), (920, 4501), (1286, 3220), (1288, 3215), (1610, 2572)]