2720008225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139309}}^1$

素因数の和:139401

約数の個数: 24

約数和(自身を含む): 3731279040

約数和(自身を除く): 1011270815

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1775, 3905, 19525, 139309, 696545, 1532399, 3482725, 7661995, 9890939, 38309975, 49454695, 108800329, 247273475, 544001645, 2720008225]

約数ペア:

[(1, 2720008225), (5, 544001645), (11, 247273475), (25, 108800329), (55, 49454695), (71, 38309975), (275, 9890939), (355, 7661995), (781, 3482725), (1775, 1532399), (3905, 696545), (19525, 139309)]