22062500

素因数分解:

$2^2\times 5^6\times {\mathrm{353}}^1$

素因数の和:387

約数の個数: 42

約数和(自身を含む): 48397818

約数和(自身を除く): 26335318

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 353, 500, 625, 706, 1250, 1412, 1765, 2500, 3125, 3530, 6250, 7060, 8825, 12500, 15625, 17650, 31250, 35300, 44125, 62500, 88250, 176500, 220625, 441250, 882500, 1103125, 2206250, 4412500, 5515625, 11031250, 22062500]

約数ペア:

[(1, 22062500), (2, 11031250), (4, 5515625), (5, 4412500), (10, 2206250), (20, 1103125), (25, 882500), (50, 441250), (100, 220625), (125, 176500), (250, 88250), (353, 62500), (500, 44125), (625, 35300), (706, 31250), (1250, 17650), (1412, 15625), (1765, 12500), (2500, 8825), (3125, 7060), (3530, 6250)]