15409640

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{641}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 34783560

約数和(自身を除く): 19373920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 641, 1202, 1282, 2404, 2564, 3005, 3205, 4808, 5128, 6010, 6410, 12020, 12820, 24040, 25640, 385241, 770482, 1540964, 1926205, 3081928, 3852410, 7704820, 15409640]

約数ペア:

[(1, 15409640), (2, 7704820), (4, 3852410), (5, 3081928), (8, 1926205), (10, 1540964), (20, 770482), (40, 385241), (601, 25640), (641, 24040), (1202, 12820), (1282, 12020), (2404, 6410), (2564, 6010), (3005, 5128), (3205, 4808)]