55138400

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:616

約数の個数: 72

約数和(自身を含む): 135772560

約数和(自身を除く): 80634160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 314, 400, 439, 628, 785, 800, 878, 1256, 1570, 1756, 2195, 2512, 3140, 3512, 3925, 4390, 5024, 6280, 7024, 7850, 8780, 10975, 12560, 14048, 15700, 17560, 21950, 25120, 31400, 35120, 43900, 62800, 68923, 70240, 87800, 125600, 137846, 175600, 275692, 344615, 351200, 551384, 689230, 1102768, 1378460, 1723075, 2205536, 2756920, 3446150, 5513840, 6892300, 11027680, 13784600, 27569200, 55138400]

約数ペア:

[(1, 55138400), (2, 27569200), (4, 13784600), (5, 11027680), (8, 6892300), (10, 5513840), (16, 3446150), (20, 2756920), (25, 2205536), (32, 1723075), (40, 1378460), (50, 1102768), (80, 689230), (100, 551384), (157, 351200), (160, 344615), (200, 275692), (314, 175600), (400, 137846), (439, 125600), (628, 87800), (785, 70240), (800, 68923), (878, 62800), (1256, 43900), (1570, 35120), (1756, 31400), (2195, 25120), (2512, 21950), (3140, 17560), (3512, 15700), (3925, 14048), (4390, 12560), (5024, 10975), (6280, 8780), (7024, 7850)]