25454840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12007}}^1$

素因数の和:12071

約数の個数: 32

約数和(自身を含む): 58358880

約数和(自身を除く): 32904040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 12007, 24014, 48028, 60035, 96056, 120070, 240140, 480280, 636371, 1272742, 2545484, 3181855, 5090968, 6363710, 12727420, 25454840]

約数ペア:

[(1, 25454840), (2, 12727420), (4, 6363710), (5, 5090968), (8, 3181855), (10, 2545484), (20, 1272742), (40, 636371), (53, 480280), (106, 240140), (212, 120070), (265, 96056), (424, 60035), (530, 48028), (1060, 24014), (2120, 12007)]