25644490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 49299840

約数和(自身を除く): 23655350

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 1901, 2698, 3802, 6745, 9505, 13490, 19010, 36119, 72238, 134971, 180595, 269942, 361190, 674855, 1349710, 2564449, 5128898, 12822245, 25644490]

約数ペア:

[(1, 25644490), (2, 12822245), (5, 5128898), (10, 2564449), (19, 1349710), (38, 674855), (71, 361190), (95, 269942), (142, 180595), (190, 134971), (355, 72238), (710, 36119), (1349, 19010), (1901, 13490), (2698, 9505), (3802, 6745)]