4540280

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{509}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 10281600

約数和(自身を除く): 5741320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 509, 892, 1018, 1115, 1784, 2036, 2230, 2545, 4072, 4460, 5090, 8920, 10180, 20360, 113507, 227014, 454028, 567535, 908056, 1135070, 2270140, 4540280]

約数ペア:

[(1, 4540280), (2, 2270140), (4, 1135070), (5, 908056), (8, 567535), (10, 454028), (20, 227014), (40, 113507), (223, 20360), (446, 10180), (509, 8920), (892, 5090), (1018, 4460), (1115, 4072), (1784, 2545), (2036, 2230)]