41312500

素因数分解:

$2^2\times 5^6\times {\mathrm{661}}^1$

素因数の和:695

約数の個数: 42

約数和(自身を含む): 90506654

約数和(自身を除く): 49194154

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 661, 1250, 1322, 2500, 2644, 3125, 3305, 6250, 6610, 12500, 13220, 15625, 16525, 31250, 33050, 62500, 66100, 82625, 165250, 330500, 413125, 826250, 1652500, 2065625, 4131250, 8262500, 10328125, 20656250, 41312500]

約数ペア:

[(1, 41312500), (2, 20656250), (4, 10328125), (5, 8262500), (10, 4131250), (20, 2065625), (25, 1652500), (50, 826250), (100, 413125), (125, 330500), (250, 165250), (500, 82625), (625, 66100), (661, 62500), (1250, 33050), (1322, 31250), (2500, 16525), (2644, 15625), (3125, 13220), (3305, 12500), (6250, 6610)]