82011100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 187675488

約数和(自身を除く): 105664388

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 181, 197, 230, 362, 394, 460, 575, 724, 788, 905, 985, 1150, 1810, 1970, 2300, 3620, 3940, 4163, 4525, 4531, 4925, 8326, 9050, 9062, 9850, 16652, 18100, 18124, 19700, 20815, 22655, 35657, 41630, 45310, 71314, 83260, 90620, 104075, 113275, 142628, 178285, 208150, 226550, 356570, 416300, 453100, 713140, 820111, 891425, 1640222, 1782850, 3280444, 3565700, 4100555, 8201110, 16402220, 20502775, 41005550, 82011100]

約数ペア:

[(1, 82011100), (2, 41005550), (4, 20502775), (5, 16402220), (10, 8201110), (20, 4100555), (23, 3565700), (25, 3280444), (46, 1782850), (50, 1640222), (92, 891425), (100, 820111), (115, 713140), (181, 453100), (197, 416300), (230, 356570), (362, 226550), (394, 208150), (460, 178285), (575, 142628), (724, 113275), (788, 104075), (905, 90620), (985, 83260), (1150, 71314), (1810, 45310), (1970, 41630), (2300, 35657), (3620, 22655), (3940, 20815), (4163, 19700), (4525, 18124), (4531, 18100), (4925, 16652), (8326, 9850), (9050, 9062)]