1338102400

素因数分解:

$2^7\times 5^2\times {\mathrm{418157}}^1$

素因数の和:418181

約数の個数: 48

約数和(自身を含む): 3305538990

約数和(自身を除く): 1967436590

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, 418157, 836314, 1672628, 2090785, 3345256, 4181570, 6690512, 8363140, 10453925, 13381024, 16726280, 20907850, 26762048, 33452560, 41815700, 53524096, 66905120, 83631400, 133810240, 167262800, 267620480, 334525600, 669051200, 1338102400]

約数ペア:

[(1, 1338102400), (2, 669051200), (4, 334525600), (5, 267620480), (8, 167262800), (10, 133810240), (16, 83631400), (20, 66905120), (25, 53524096), (32, 41815700), (40, 33452560), (50, 26762048), (64, 20907850), (80, 16726280), (100, 13381024), (128, 10453925), (160, 8363140), (200, 6690512), (320, 4181570), (400, 3345256), (640, 2090785), (800, 1672628), (1600, 836314), (3200, 418157)]