28804960925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{65701}}^1$

素因数の和:65814

約数の個数: 48

約数和(自身を含む): 41061121920

約数和(自身を除く): 12256160995

約数列:

[1, 5, 13, 19, 25, 65, 71, 95, 247, 325, 355, 475, 923, 1235, 1349, 1775, 4615, 6175, 6745, 17537, 23075, 33725, 65701, 87685, 328505, 438425, 854113, 1248319, 1642525, 4270565, 4664771, 6241595, 16228147, 21352825, 23323855, 31207975, 60642023, 81140735, 88630649, 116619275, 303210115, 405703675, 443153245, 1152198437, 1516050575, 2215766225, 5760992185, 28804960925]

約数ペア:

[(1, 28804960925), (5, 5760992185), (13, 2215766225), (19, 1516050575), (25, 1152198437), (65, 443153245), (71, 405703675), (95, 303210115), (247, 116619275), (325, 88630649), (355, 81140735), (475, 60642023), (923, 31207975), (1235, 23323855), (1349, 21352825), (1775, 16228147), (4615, 6241595), (6175, 4664771), (6745, 4270565), (17537, 1642525), (23075, 1248319), (33725, 854113), (65701, 438425), (87685, 328505)]