2100072440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{322097}}^1$

素因数の和:322271

約数の個数: 32

約数和(自身を含む): 4754166480

約数和(自身を除く): 2654094040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 322097, 644194, 1288388, 1610485, 2576776, 3220970, 6441940, 12883880, 52501811, 105003622, 210007244, 262509055, 420014488, 525018110, 1050036220, 2100072440]

約数ペア:

[(1, 2100072440), (2, 1050036220), (4, 525018110), (5, 420014488), (8, 262509055), (10, 210007244), (20, 105003622), (40, 52501811), (163, 12883880), (326, 6441940), (652, 3220970), (815, 2576776), (1304, 1610485), (1630, 1288388), (3260, 644194), (6520, 322097)]