29931980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115123}}^1$

素因数の和:115145

約数の個数: 24

約数和(自身を含む): 67692912

約数和(自身を除く): 37760932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 115123, 230246, 460492, 575615, 1151230, 1496599, 2302460, 2993198, 5986396, 7482995, 14965990, 29931980]

約数ペア:

[(1, 29931980), (2, 14965990), (4, 7482995), (5, 5986396), (10, 2993198), (13, 2302460), (20, 1496599), (26, 1151230), (52, 575615), (65, 460492), (130, 230246), (260, 115123)]