4865457072940

素因数分解:

$2^2\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{136134781}}^1$

素因数の和:136136577

約数の個数: 24

約数和(自身を含む): 10223177589072

約数和(自身を除く): 5357720516132

約数列:

[1, 2, 4, 5, 10, 20, 1787, 3574, 7148, 8935, 17870, 35740, 136134781, 272269562, 544539124, 680673905, 1361347810, 2722695620, 243272853647, 486545707294, 973091414588, 1216364268235, 2432728536470, 4865457072940]

約数ペア:

[(1, 4865457072940), (2, 2432728536470), (4, 1216364268235), (5, 973091414588), (10, 486545707294), (20, 243272853647), (1787, 2722695620), (3574, 1361347810), (7148, 680673905), (8935, 544539124), (17870, 272269562), (35740, 136134781)]