12641980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48623}}^1$

素因数の和:48645

約数の個数: 24

約数和(自身を含む): 28590912

約数和(自身を除く): 15948932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48623, 97246, 194492, 243115, 486230, 632099, 972460, 1264198, 2528396, 3160495, 6320990, 12641980]

約数ペア:

[(1, 12641980), (2, 6320990), (4, 3160495), (5, 2528396), (10, 1264198), (13, 972460), (20, 632099), (26, 486230), (52, 243115), (65, 194492), (130, 97246), (260, 48623)]