72389120

素因数分解:

$2^9\times 5^1\times {\mathrm{28277}}^1$

素因数の和:28300

約数の個数: 40

約数和(自身を含む): 173570364

約数和(自身を除く): 101181244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 28277, 56554, 113108, 141385, 226216, 282770, 452432, 565540, 904864, 1131080, 1809728, 2262160, 3619456, 4524320, 7238912, 9048640, 14477824, 18097280, 36194560, 72389120]

約数ペア:

[(1, 72389120), (2, 36194560), (4, 18097280), (5, 14477824), (8, 9048640), (10, 7238912), (16, 4524320), (20, 3619456), (32, 2262160), (40, 1809728), (64, 1131080), (80, 904864), (128, 565540), (160, 452432), (256, 282770), (320, 226216), (512, 141385), (640, 113108), (1280, 56554), (2560, 28277)]