25375826450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1979}}^1\times {\mathrm{19727}}^1$

素因数の和:21731

約数の個数: 48

約数和(自身を含む): 50857994880

約数和(自身を除く): 25482168430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1979, 3958, 9895, 19727, 19790, 25727, 39454, 49475, 51454, 98635, 98950, 128635, 197270, 256451, 257270, 493175, 512902, 643175, 986350, 1282255, 1286350, 2564510, 6411275, 12822550, 39039733, 78079466, 195198665, 390397330, 507516529, 975993325, 1015033058, 1951986650, 2537582645, 5075165290, 12687913225, 25375826450]

約数ペア:

[(1, 25375826450), (2, 12687913225), (5, 5075165290), (10, 2537582645), (13, 1951986650), (25, 1015033058), (26, 975993325), (50, 507516529), (65, 390397330), (130, 195198665), (325, 78079466), (650, 39039733), (1979, 12822550), (3958, 6411275), (9895, 2564510), (19727, 1286350), (19790, 1282255), (25727, 986350), (39454, 643175), (49475, 512902), (51454, 493175), (98635, 257270), (98950, 256451), (128635, 197270)]