25511980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98123}}^1$

素因数の和:98145

約数の個数: 24

約数和(自身を含む): 57696912

約数和(自身を除く): 32184932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98123, 196246, 392492, 490615, 981230, 1275599, 1962460, 2551198, 5102396, 6377995, 12755990, 25511980]

約数ペア:

[(1, 25511980), (2, 12755990), (4, 6377995), (5, 5102396), (10, 2551198), (13, 1962460), (20, 1275599), (26, 981230), (52, 490615), (65, 392492), (130, 196246), (260, 98123)]