2012161940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{26879}}^1$

素因数の和:27104

約数の個数: 48

約数和(自身を含む): 4470681600

約数和(自身を除く): 2458519660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 788, 985, 1970, 3743, 3940, 7486, 14972, 18715, 26879, 37430, 53758, 74860, 107516, 134395, 268790, 510701, 537580, 1021402, 2042804, 2553505, 5107010, 5295163, 10214020, 10590326, 21180652, 26475815, 52951630, 100608097, 105903260, 201216194, 402432388, 503040485, 1006080970, 2012161940]

約数ペア:

[(1, 2012161940), (2, 1006080970), (4, 503040485), (5, 402432388), (10, 201216194), (19, 105903260), (20, 100608097), (38, 52951630), (76, 26475815), (95, 21180652), (190, 10590326), (197, 10214020), (380, 5295163), (394, 5107010), (788, 2553505), (985, 2042804), (1970, 1021402), (3743, 537580), (3940, 510701), (7486, 268790), (14972, 134395), (18715, 107516), (26879, 74860), (37430, 53758)]