90486400

素因数分解:

$2^7\times 5^2\times {\mathrm{28277}}^1$

素因数の和:28301

約数の個数: 48

約数和(自身を含む): 223537590

約数和(自身を除く): 133051190

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 28277, 56554, 113108, 141385, 226216, 282770, 452432, 565540, 706925, 904864, 1131080, 1413850, 1809728, 2262160, 2827700, 3619456, 4524320, 5655400, 9048640, 11310800, 18097280, 22621600, 45243200, 90486400]

約数ペア:

[(1, 90486400), (2, 45243200), (4, 22621600), (5, 18097280), (8, 11310800), (10, 9048640), (16, 5655400), (20, 4524320), (25, 3619456), (32, 2827700), (40, 2262160), (50, 1809728), (64, 1413850), (80, 1131080), (100, 904864), (128, 706925), (160, 565540), (200, 452432), (320, 282770), (400, 226216), (640, 141385), (800, 113108), (1600, 56554), (3200, 28277)]