20131267225

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1553}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 25944589440

約数和(自身を除く): 5813322215

約数列:

[1, 5, 25, 67, 71, 109, 335, 355, 545, 1553, 1675, 1775, 2725, 4757, 7303, 7739, 7765, 23785, 36515, 38695, 38825, 104051, 110263, 118925, 169277, 182575, 193475, 518513, 520255, 551315, 846385, 2592565, 2601275, 2756575, 4231925, 7387621, 11341559, 12018667, 12962825, 36938105, 56707795, 60093335, 184690525, 283538975, 300466675, 805250689, 4026253445, 20131267225]

約数ペア:

[(1, 20131267225), (5, 4026253445), (25, 805250689), (67, 300466675), (71, 283538975), (109, 184690525), (335, 60093335), (355, 56707795), (545, 36938105), (1553, 12962825), (1675, 12018667), (1775, 11341559), (2725, 7387621), (4757, 4231925), (7303, 2756575), (7739, 2601275), (7765, 2592565), (23785, 846385), (36515, 551315), (38695, 520255), (38825, 518513), (104051, 193475), (110263, 182575), (118925, 169277)]