264112840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{74189}}^1$

素因数の和:74289

約数の個数: 32

約数和(自身を含む): 600939000

約数和(自身を除く): 336826160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 74189, 148378, 296756, 370945, 593512, 741890, 1483780, 2967560, 6602821, 13205642, 26411284, 33014105, 52822568, 66028210, 132056420, 264112840]

約数ペア:

[(1, 264112840), (2, 132056420), (4, 66028210), (5, 52822568), (8, 33014105), (10, 26411284), (20, 13205642), (40, 6602821), (89, 2967560), (178, 1483780), (356, 741890), (445, 593512), (712, 370945), (890, 296756), (1780, 148378), (3560, 74189)]