2015073820

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{205201}}^1$

素因数の和:205701

約数の個数: 24

約数和(自身を含む): 4240294128

約数和(自身を除く): 2225220308

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 205201, 410402, 820804, 1026005, 2052010, 4104020, 100753691, 201507382, 403014764, 503768455, 1007536910, 2015073820]

約数ペア:

[(1, 2015073820), (2, 1007536910), (4, 503768455), (5, 403014764), (10, 201507382), (20, 100753691), (491, 4104020), (982, 2052010), (1964, 1026005), (2455, 820804), (4910, 410402), (9820, 205201)]