15400360

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2939}}^1$

素因数の和:3081

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 19526840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 2939, 5240, 5878, 11756, 14695, 23512, 29390, 58780, 117560, 385009, 770018, 1540036, 1925045, 3080072, 3850090, 7700180, 15400360]

約数ペア:

[(1, 15400360), (2, 7700180), (4, 3850090), (5, 3080072), (8, 1925045), (10, 1540036), (20, 770018), (40, 385009), (131, 117560), (262, 58780), (524, 29390), (655, 23512), (1048, 14695), (1310, 11756), (2620, 5878), (2939, 5240)]