10254040

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{659}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 23166000

約数和(自身を除く): 12911960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 659, 778, 1318, 1556, 1945, 2636, 3112, 3295, 3890, 5272, 6590, 7780, 13180, 15560, 26360, 256351, 512702, 1025404, 1281755, 2050808, 2563510, 5127020, 10254040]

約数ペア:

[(1, 10254040), (2, 5127020), (4, 2563510), (5, 2050808), (8, 1281755), (10, 1025404), (20, 512702), (40, 256351), (389, 26360), (659, 15560), (778, 13180), (1318, 7780), (1556, 6590), (1945, 5272), (2636, 3890), (3112, 3295)]