25221440

素因数分解:

$2^6\times 5^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:579

約数の個数: 56

約数和(自身を含む): 60487560

約数和(自身を除く): 35266120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 269, 293, 320, 538, 586, 1076, 1172, 1345, 1465, 2152, 2344, 2690, 2930, 4304, 4688, 5380, 5860, 8608, 9376, 10760, 11720, 17216, 18752, 21520, 23440, 43040, 46880, 78817, 86080, 93760, 157634, 315268, 394085, 630536, 788170, 1261072, 1576340, 2522144, 3152680, 5044288, 6305360, 12610720, 25221440]

約数ペア:

[(1, 25221440), (2, 12610720), (4, 6305360), (5, 5044288), (8, 3152680), (10, 2522144), (16, 1576340), (20, 1261072), (32, 788170), (40, 630536), (64, 394085), (80, 315268), (160, 157634), (269, 93760), (293, 86080), (320, 78817), (538, 46880), (586, 43040), (1076, 23440), (1172, 21520), (1345, 18752), (1465, 17216), (2152, 11720), (2344, 10760), (2690, 9376), (2930, 8608), (4304, 5860), (4688, 5380)]