253060480

素因数分解:

$2^7\times 5^1\times {\mathrm{395407}}^1$

素因数の和:395426

約数の個数: 32

約数和(自身を含む): 604974240

約数和(自身を除く): 351913760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 395407, 790814, 1581628, 1977035, 3163256, 3954070, 6326512, 7908140, 12653024, 15816280, 25306048, 31632560, 50612096, 63265120, 126530240, 253060480]

約数ペア:

[(1, 253060480), (2, 126530240), (4, 63265120), (5, 50612096), (8, 31632560), (10, 25306048), (16, 15816280), (20, 12653024), (32, 7908140), (40, 6326512), (64, 3954070), (80, 3163256), (128, 1977035), (160, 1581628), (320, 790814), (640, 395407)]