31603780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121553}}^1$

素因数の和:121575

約数の個数: 24

約数和(自身を含む): 71473752

約数和(自身を除く): 39869972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121553, 243106, 486212, 607765, 1215530, 1580189, 2431060, 3160378, 6320756, 7900945, 15801890, 31603780]

約数ペア:

[(1, 31603780), (2, 15801890), (4, 7900945), (5, 6320756), (10, 3160378), (13, 2431060), (20, 1580189), (26, 1215530), (52, 607765), (65, 486212), (130, 243106), (260, 121553)]