208668850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1555

約数の個数: 48

約数和(自身を含む): 419973120

約数和(自身を除く): 211304270

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 251, 325, 502, 650, 1255, 1279, 2510, 2558, 3263, 6275, 6395, 6526, 12550, 12790, 16315, 16627, 31975, 32630, 33254, 63950, 81575, 83135, 163150, 166270, 321029, 415675, 642058, 831350, 1605145, 3210290, 4173377, 8025725, 8346754, 16051450, 20866885, 41733770, 104334425, 208668850]

約数ペア:

[(1, 208668850), (2, 104334425), (5, 41733770), (10, 20866885), (13, 16051450), (25, 8346754), (26, 8025725), (50, 4173377), (65, 3210290), (130, 1605145), (251, 831350), (325, 642058), (502, 415675), (650, 321029), (1255, 166270), (1279, 163150), (2510, 83135), (2558, 81575), (3263, 63950), (6275, 33254), (6395, 32630), (6526, 31975), (12550, 16627), (12790, 16315)]