1581980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 3365712

約数和(自身を除く): 1783732

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 953, 1660, 1906, 3812, 4765, 9530, 19060, 79099, 158198, 316396, 395495, 790990, 1581980]

約数ペア:

[(1, 1581980), (2, 790990), (4, 395495), (5, 316396), (10, 158198), (20, 79099), (83, 19060), (166, 9530), (332, 4765), (415, 3812), (830, 1906), (953, 1660)]