25430120

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1801}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 57411720

約数和(自身を除く): 31981600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 1801, 2824, 3530, 3602, 7060, 7204, 9005, 14120, 14408, 18010, 36020, 72040, 635753, 1271506, 2543012, 3178765, 5086024, 6357530, 12715060, 25430120]

約数ペア:

[(1, 25430120), (2, 12715060), (4, 6357530), (5, 5086024), (8, 3178765), (10, 2543012), (20, 1271506), (40, 635753), (353, 72040), (706, 36020), (1412, 18010), (1765, 14408), (1801, 14120), (2824, 9005), (3530, 7204), (3602, 7060)]