13081900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 31716720

約数和(自身を除く): 18634820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 347, 377, 580, 650, 694, 725, 754, 1300, 1388, 1450, 1508, 1735, 1885, 2900, 3470, 3770, 4511, 6940, 7540, 8675, 9022, 9425, 10063, 17350, 18044, 18850, 20126, 22555, 34700, 37700, 40252, 45110, 50315, 90220, 100630, 112775, 130819, 201260, 225550, 251575, 261638, 451100, 503150, 523276, 654095, 1006300, 1308190, 2616380, 3270475, 6540950, 13081900]

約数ペア:

[(1, 13081900), (2, 6540950), (4, 3270475), (5, 2616380), (10, 1308190), (13, 1006300), (20, 654095), (25, 523276), (26, 503150), (29, 451100), (50, 261638), (52, 251575), (58, 225550), (65, 201260), (100, 130819), (116, 112775), (130, 100630), (145, 90220), (260, 50315), (290, 45110), (325, 40252), (347, 37700), (377, 34700), (580, 22555), (650, 20126), (694, 18850), (725, 18044), (754, 17350), (1300, 10063), (1388, 9425), (1450, 9022), (1508, 8675), (1735, 7540), (1885, 6940), (2900, 4511), (3470, 3770)]